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Maryland Checklist - Phylum: Mollusca - all-time (Total: 292)
Filter by tag...
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Adventive
\n
Coastal Plain only
\n
Endangered (Federal)
\n
Endangered (MD)
\n
Excluded
\n
Exotic
\n
Extinct
\n
Extirpated
\n
Extralimital
\n
G1 (Highly globally rare)
\n
G1G2 (Highly globally rare)
\n
G2 (Globally rare)
\n
G2G3 (Globally rare)
\n
G3 (Globally rare/local)
\n
G3G4 (Globally vulnerable)
\n
G4
\n
G4G5
\n
G5
\n
Garrett only
\n
GH (No known extant occurrences)
\n
GU (Global status uncertain)
\n
Hybrid
\n
In need of conservation
\n
Invasive
\n
Nativity Uncertain
\n
Non-native
\n
Reviewable (MD/DCRC)
\n
S1 (Highly state rare)
\n
S1B (Highly state rare breeder)
\n
S1M (State rare migrant)
\n
S1N (State rare non-breeder)
\n
S1S2 (Highly state rare)
\n
S1S2B (State rare breeder)
\n
S2 (State rare)
\n
S2B (State rare breeder)
\n
S2B (State rare breeder)
\n
S2S3 (State rare)
\n
S2S3B (State rare breeder)
\n
S3 (Watch list)
\n
S3B (State watchlist breeder)
\n
S3S4
\n
S3S4B (State watchlist breeder)
\n
S4SE
\n
SH (Historical)
\n
SHB (State historical breeder)
\n
SR (State rare)
\n
Status Uncertain
\n
SUB (Status uncertain breeder)
\n
SXB (State extirpated breeder)
\n
SXM (State extirpated migrant)
\n
Threatened (Federal)
\n
Threatened (MD)
\n
Undescribed
\n
Vulnerable
\n
Waif
\n
Western MD only
\n
Worcester only
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Photos
Common Name
Genus
Species
Records  
Category
Family
Order
Class
Kingdom
1
No Common Name
Ambigolimax
sp.
0
Slugs
Limacidae
Stylommatophora
Gastropoda
Ani
1
Chestnut Clam
Astarte
castanea
11
Astartid Clams
Astartidae
Carditida
Bivalvia
Animalia
1
Fossor Coquina
Donax
fossor
2
Donax Clams
Donacidae
Cardiida
Bivalvia
Animalia
1
Dark False Mussel
Mytilopsis
leucophaeata
28
False Mussels
Dreissenidae
Myida
Bivalvia
Animalia
2
Zebra Mussel
Dreissena
polymorpha
3
False Mussels
Dreissenidae
Myida
Bivalvia
Animalia
1
Dwarf Wedgemussel
Alasmidonta
heterodon
17
Freshwater Bivalves
Unionidae
Unionoida
Bivalvia
Animalia
2
Susquehanna Elktoe
Alasmidonta
marginata
0
Freshwater Bivalves
Unionidae
Unionoida
Bivalvia
Animalia
3
Triangle Floater
Alasmidonta
undulata
30
Freshwater Bivalves
Unionidae
Unionoida
Bivalvia
Animalia
4
Brook Floater
Alasmidonta
varicosa
35
Freshwater Bivalves
Unionidae
Unionoida
Bivalvia
Animalia
5
Alewife Floater
Utterbackiana
implicata
3
Freshwater Bivalves
Unionidae
Unionoida
Bivalvia
Animalia
6
Carolina Lance
Elliptio
angustata
0
Freshwater Bivalves
Unionidae
Unionoida
Bivalvia
Animalia
7
Eastern Elliptio
Elliptio
complanata
38
Freshwater Bivalves
Unionidae
Unionoida
Bivalvia
Animalia
8
Northern Lance
Elliptio
fisheriana
5
Freshwater Bivalves
Unionidae
Unionoida
Bivalvia
Animalia
9
Atlantic Spike
Elliptio
producta
24
Freshwater Bivalves
Unionidae
Unionoida
Bivalvia
Animalia
10
Plain Pocketbook
Lampsilis
cardium
5
Freshwater Bivalves
Unionidae
Unionoida
Bivalvia
Animalia
11
Yellow Lampmussel
Lampsilis
cariosa
12
Freshwater Bivalves
Unionidae
Unionoida
Bivalvia
Animalia
12
Eastern Lampmussel
Lampsilis
radiata
24
Freshwater Bivalves
Unionidae
Unionoida
Bivalvia
Animalia
13
Green Floater
Lasmigona
subviridis
19
Freshwater Bivalves
Unionidae
Unionoida
Bivalvia
Animalia
14
Tidewater Mucket
Atlanticoncha
ochracea
17
Freshwater Bivalves
Unionidae
Unionoida
Bivalvia
Animalia
15
Eastern Pondmussel
Sagittunio
nasutus
5
Freshwater Bivalves
Unionidae
Unionoida
Bivalvia
Animalia
16
Eastern Floater
Pyganodon
cataracta
18
Freshwater Bivalves
Unionidae
Unionoida
Bivalvia
Animalia
17
Creeper
Strophitus
undulatus
16
Freshwater Bivalves
Unionidae
Unionoida
Bivalvia
Animalia
18
Paper Pondshell
Utterbackia
imbecillis
3
Freshwater Bivalves
Unionidae
Unionoida
Bivalvia
Animalia
19
Lake Fingernailclam
Musculium
lacustre
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
20
Swamp Fingernailclam
Musculium
partumeium
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
21
Pond Fingernailclam
Musculium
securis
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
22
Long Fingernailclam
Musculium
transversum
1
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
23
Adam Peaclam
Pisidium
adamsi
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
24
Ubiquitous Peaclam
Pisidium
casertanum
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
25
Ridged-beak Peaclam
Pisidium
compressum
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
26
Greater Eastern Peaclam
Pisidium
dubium
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
27
Round Peaclam
Pisidium
equilaterale
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
28
River Peaclam
Pisidium
fallax
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
29
Rusty Peaclam
Pisidium
ferrugineum
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
30
Lilljeborg Peaclam
Pisidium
lilljeborgi
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
31
Shiny Peaclam
Pisidium
nitidum
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
32
Perforated Peaclam
Pisidium
punctatum
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
33
Triangular Peaclam
Pisidium
variable
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
34
Walker Peaclam
Pisidium
walkeri
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
35
River Fingernailclam
Sphaerium
fabale
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
36
Herrington Fingernailclam
Sphaerium
occidnetale
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
37
Grooved Fingernailclam
Sphaerium
simile
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
38
Striated Fingernailclam
Sphaerium
striatinum
1
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
39
Asian Clam
Corbicula
fluminea
171
Freshwater Bivalves
Corbinculidae
Veneroida
Bivalvia
Animalia
40
Atlantic Rangia
Rangia
cuneata
97
Freshwater Bivalves
Mactridae
Veneroida
Bivalvia
Animalia
41
No Common Name
Lampsilis
sp.
1
Freshwater Bivalves
Unionidae
Unionoida
Bivalvia
Animalia
42
Yellow Lance
Elliptio
lanceolata
5
Freshwater Bivalves
Unionidae
Unionoida
Bivalvia
Animalia
1
Herrington Fingernailclam
Sphaerium
occidentale
1
Pea Clams
Sphaeriidae
Sphaeriida
Bivalvia
Animalia
1
Blue Mussel
Mytilus
edulis
9
Saltwater Bivalves
Mytilidae
Mytiloida
Bivalvia
Animalia
1
Eastern Oyster
Crassostrea
virginica
64
Saltwater Bivalves
Ostreidae
Ostreoida
Bivalvia
Animalia
2
Hooked Mussel
Ischadium
recurvum
52
Saltwater Bivalves
Mytilidae
Mytiloida
Bivalvia
Animalia
3
Atlantic Ribbed Mussel
Geukensia
demissa
100
Saltwater Bivalves
Mytilidae
Mytiloida
Bivalvia
Animalia
4
Glassy Lyonsia
Lyonsia
hyalina
0
Saltwater Bivalves
Lyonsiidae
Pholadomyoida
Bivalvia
Animalia
5
Atlantic Mud-piddock
Barnea
truncata
2
Saltwater Bivalves
Pholadidae
Myoida
Bivalvia
Animalia
6
Angelwing
Cyrtopleura
costata
17
Saltwater Bivalves
Pholadidae
Myoida
Bivalvia
Animalia
7
Soft-shell Clam
Mya
arenaria
19
Saltwater Bivalves
Myidae
Myoida
Bivalvia
Animalia
8
Dwarf Surfclam
Mulinia
lateralis
9
Saltwater Bivalves
Mactridae
Veneroida
Bivalvia
Animalia
9
Atlantic Jack-knife Clam
Ensis
directus
7
Saltwater Bivalves
Pharidae
Veneroida
Bivalvia
Animalia
10
Purplish Tagelus
Tagelus
divisus
1
Saltwater Bivalves
Tellinidae
Veneroida
Bivalvia
Animalia
11
Stout Tagelus
Tagelus
plebeius
75
Saltwater Bivalves
Tellinidae
Veneroida
Bivalvia
Animalia
12
Atlantic Macoma
Macoma
petalum
34
Saltwater Bivalves
Tellinidea
Veneroida
Bivalvia
Animalia
13
Amethyst Gem Clam
Gemma
gemma
4
Saltwater Bivalves
Veneridae
Veneroida
Bivalvia
Animalia
14
False Angelwing
Petricolaria
pholadiformis
4
Saltwater Bivalves
Petricolidae
Veneroida
Bivalvia
Animalia
15
Northern Quahog
Mercenaria
mercenaria
24
Saltwater Bivalves
Veneridae
Veneroida
Bivalvia
Animalia
16
Morton's Egg-cockle
Laevicardium
mortoni
0
Saltwater Bivalves
Cardiidae
Veneroida
Bivalvia
Animalia
17
Eastern Aligena
Aligena
elevata
1
Saltwater Bivalves
Lasaeidae
Veneroida
Bivalvia
Animalia
18
Atlantic Paper Mussel
Amygdalum
papyrium
2
Saltwater Bivalves
Mytilidae
Mytiloida
Bivalvia
Animalia
19
Mitchell Macoma
Macoma
mitchelli
7
Saltwater Bivalves
Tellinidea
Veneroida
Bivalvia
Animalia
20
Elongate Macona
Macoma
tenta
3
Saltwater Bivalves
Tellinidae
Veneroida
Bivalvia
Animalia
21
Atlantic Awning Clam
Solemya
velum
1
Saltwater Bivalves
Solemyidae
Pholadomyoida
Bivalvia
Animalia
22
Green Jackknife Clam
Solen
viridis
1
Saltwater Bivalves
Solenidae
Adapedonta
Bivalvia
Animalia
23
False Quahog
Pitar
morrhuanus
1
Saltwater Bivalves
Veneridae
Venerida
Bivalvia
Animalia
24
Ponderous Ark
Noetia
ponderosa
16
Saltwater Bivalves
Noetiidae
Arcida
Bivalvia
Animalia
25
Thin Cyclinella
Cyclinella
tenuis
1
Saltwater Bivalves
Veneridae
Venerida
Bivalvia
Animalia
26
Atlantic Surfclam
Spisula
solidissima
15
Saltwater Bivalves
Mactridae
Venerida
Bivalvia
Animalia
27
Blood Ark
Lunarca
ovalis
40
Saltwater Bivalves
Arcidae
Arcida
Bivalvia
Animalia
28
Transverse Ark
Anadara
transversa
4
Saltwater Bivalves
Arcidae
Arcida
Bivalvia
Animalia
29
Florida Marshclam
Cyrenoida
floridana
1
Saltwater Bivalves
Cyrenoididae
Venerida
Bivalvia
Animalia
30
Channeled Duck Clam
Raeta
plicatella
2
Saltwater Bivalves
Anatinellidae
Venerida
Bivalvia
Animalia
31
Cross-barred Venus
Chione
elevata
1
Saltwater Bivalves
Veneridae
Venerida
Bivalvia
Animalia
1
Atlantic Bay Scallop
Argopecten
irradians
9
Scallops
Pectinidae
Pectinida
Bivalvia
Animalia
2
Atlantic Calico Scallop
Argopecten
gibbus
0
Scallops
Pectinidae
Pectinida
Bivalvia
Animalia
1
Gould's Shipworm
Bankia
gouldi
1
Shipworms
Teredinidae
Myida
Bivalvia
Animalia
1
Longfin Inshore Squid
Loligo
pealeii
3
Octopuses and Squids
Loliginidae
Teuthida
Cephalopoda
Animalia
1
Atlantic Brief Squid
Lolliguncula
brevis
5
Octopuses and Squids
Loliginidae
Teuthida
Cephalopoda
Animalia
1
Lunate Dove Shell
Astyris
lunata
2
Dove Snails
Columbellidae
Neogastropoda
Gastropoda
Animalia
1
Atlantic Assiminea
Assiminea
succinea
0
Freshwater Snails
Assimineidae
Neotaenioglossa
Gastropoda
Animalia
2
Chinese Mystery Snail
Cipangopaludina
chinensis
11
Freshwater Snails
Viviparidae
Architaenioglossa
Gastropoda
Animalia
3
Mud Bithynia
Bithynia
tentaculata
4
Freshwater Snails
Bithyniidae
Neotaenioglossa
Gastropoda
Animalia
4
European Physa
Physella
acuta
241
Freshwater Snails
Physidae
Basommatophora
Gastropoda
Animalia
5
Slender Walker
Pomatiopsis
lapidaria
1
Freshwater Snails
Pomatiopsidae
Mesogastropoda
Gastropoda
Animalia
6
No Common Name
Heleobops
carrikeri
1
Freshwater Snails
Cochliopidae
Littorinimorpha
Gastropoda
Animalia
7
Fine-lined Hydrobe
Onobops
jacksoni
1
Freshwater Snails
Cochliopidae
Littorinimorpha
Gastropoda
Animalia
8
Pointed Campeloma
Campeloma
decisum
21
Freshwater Snails
Viviparidae
Architaenioglossa
Gastropoda
Animalia
9
Japanese Mystery Snail
Cipangopaludina
japonica
8
Freshwater Snails
Viviparidae
Architaenioglossa
Gastropoda
Animalia
10
Banded Mystery Snail
Viviparus
georgianus
1
Freshwater Snails
Viviparidae
Architaenioglossa
Gastropoda
Animalia
11
Fragile Ancylid
Ferrissia
fragilis
44
Freshwater Snails
Ancylidae
Basommatophora
Gastropoda
Animalia
12
Creeping Ancylid
Ferrissia
rivularis
67
Freshwater Snails
Ancylidae
Basommatophora
Gastropoda
Animalia
13
Dusky Ancylid
Laevapex
fuscus
2
Freshwater Snails
Ancylidae
Basommatophora
Gastropoda
Animalia
14
Marsh Fossaria
Fossaria
humilis
73
Freshwater Snails
Lymnaeidae
Basommatophora
Gastropoda
Animalia
15
Mimic Lymnaea
Pseudosuccinea
columella
39
Freshwater Snails
Lymnaeidae
Basommatophora
Gastropoda
Animalia
16
Woodland Pondsnail
Stagnicola
catascopium
1
Freshwater Snails
Lymnaeidae
Basommatophora
Gastropoda
Animalia
17
Marsh Pondsnail
Stagnicola
elodes
1
Freshwater Snails
Lymnaeidae
Basommatophora
Gastropoda
Animalia
18
No Common Name
Physa
carolinae
5
Freshwater Snails
Physidae
Basommatophora
Gastropoda
Animalia
19
No Common Name
Physa
gyrina
10
Freshwater Snails
Physidae
Basommatophora
Gastropoda
Animalia
20
Pewter Physa
Physella
heterostropha
pomila
11
Freshwater Snails
Physidae
Basommatophora
Gastropoda
Animalia
21
Ash Gyro
Gyraulus
parvus
20
Freshwater Snails
Planorbidae
Basommatophora
Gastropoda
Animalia
22
Two-ridge Rams-Horn
Helisoma
anceps
21
Freshwater Snails
Planorbidae
Basommatophora
Gastropoda
Animalia
23
Bugle Sprite
Menetus
dilatatus
102
Freshwater Snails
Planorbidae
Basommatophora
Gastropoda
Animalia
24
Marsh Rams-Horn
Planorbella
trivolvis
11
Freshwater Snails
Planorbidae
Basommatophora
Gastropoda
Animalia
25
Thicklip Rams-Horn
Planorbula
armigera
10
Freshwater Snails
Planorbidae
Basommatophora
Gastropoda
Animalia
26
Sharp Sprite
Promenetus
exacuous
1
Freshwater Snails
Planorbidae
Basommatophora
Gastropoda
Animalia
27
Three-ridge Valvata
Valvata
tricarinata
2
Freshwater Snails
Valvatidae
Heterostropha
Gastropoda
Animalia
28
Mud Amnicola
Amnicola
limosus
20
Freshwater Snails
Hydrobiidae
Neotaenioglossa
Gastropoda
Animalia
29
Appalachian Spring Snail
Fontigens
bottimeri
19
Freshwater Snails
Hydrobiidae
Neotaenioglossa
Gastropoda
Animalia
30
Blue Ridge Springsnail
Fontigens
orolibas
2
Freshwater Snails
Hydrobiidae
Neotaenioglossa
Gastropoda
Animalia
31
Squat Duskysnail
Lyogyrus
granum
12
Freshwater Snails
Hydrobiidae
Neotaenioglossa
Gastropoda
Animalia
32
Piedmont Elimia
Elimia
virginica
42
Freshwater Snails
Pleuroceridae
Neotaenioglossa
Gastropoda
Animalia
33
Crested Mudalia
Leptoxis
carinata
47
Freshwater Snails
Pleuroceridae
Neotaenioglossa
Gastropoda
Animalia
34
New Zealand Mud Snail
Potamopyrgus
antipodarum
1
Freshwater Snails
Hydrobiidae
Neotaenioglossa
Gastropoda
Animalia
35
Flexed Gyro
Gyraulus
deflectus
1
Freshwater Snails
Planorbidae
Basommatophora
Gastropoda
Animalia
1
Salt Marsh Snail
Myosotella
myosotis
0
Land Snails
Ellobiidae
Archaeopulmonata
Gastropoda
Animalia
2
Coastal Plain Tiger Snail
Anguispira
fergusoni
7
Land Snails
Discidae
Stylommatophora
Gastropoda
Animalia
3
Toothed Hive
Euconulus
dentatus
0
Land Snails
Euconulidae
Stylommatophora
Gastropoda
Animalia
4
Bottleneck Snaggletooth
Gastrocopta
contracta
4
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
5
Comb Snaggletooth
Gastrocopta
pentodon
1
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
6
Variable Vertigo
Vertigo
gouldi
0
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
7
Sculpted Glyph
Glyphyalinia
rhoadsi
0
Land Snails
Zonitidae
Stylommatophora
Gastropoda
Animalia
8
Minute Gem
Hawaiia
minuscula
3
Land Snails
Zonitidae
Stylommatophora
Gastropoda
Animalia
9
Amber Glass
Nesovitrea
electrina
0
Land Snails
Zonitidae
Stylommatophora
Gastropoda
Animalia
10
Medium Striate
Striatura
meridionalis
3
Land Snails
Gastrodontidae
Stylommatophora
Gastropoda
Animalia
11
Globose Dome
Ventridens
ligera
10
Land Snails
Gastrodontidae
Stylommatophora
Gastropoda
Animalia
12
Flat Dome
Ventridens
suppressus
3
Land Snails
Gastrodontidae
Stylommatophora
Gastropoda
Animalia
13
Quick Gloss
Zonitoides
arboreus
9
Land Snails
Gastrodontidae
Stylommatophora
Gastropoda
Animalia
14
Gray-footed Lancetooth
Haplotrema
concavum
3
Land Snails
Haplotrematidae
Stylommatophora
Gastropoda
Animalia
15
Compound Coil
Helicodiscus
parallelus
5
Land Snails
Helicodiscidae
Stylommatophora
Gastropoda
Animalia
16
White-lip Globe
Mesodon
thyroidus
11
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
17
Whitelip
Neohelix
albolabris
11
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
18
Hairy Slitmouth
Stenotrema
hirsutum
1
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
19
Mimic Three-tooth
Triodopsis
fallax
0
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
20
Atlantic Three-Tooth
Triodopsis
juxtidens
5
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
21
Small Spot
Punctum
minutissimum
3
Land Snails
Punctidae
Stylommatophora
Gastropoda
Animalia
22
Bronze Pinecone
Strobilops
aeneus
6
Land Snails
Strobilopsidae
Stylommatophora
Gastropoda
Animalia
23
Maze Pinecone
Strobilops
labyrinthicus
1
Land Snails
Strobilopsidae
Stylommatophora
Gastropoda
Animalia
24
Oval Amber Snail
Succinea
ovalis
1
Land Snails
Succineidae
Stylommatophora
Gastropoda
Animalia
25
Appalachian Thorn
Carychium
clappi
0
Land Snails
Ellobiidae
Basommatophora
Gastropoda
Animalia
26
Obese Thorn
Carychium
exiguum
4
Land Snails
Ellobiidae
Basommatophora
Gastropoda
Animalia
27
Ice Thorn
Carychium
exile
3
Land Snails
Ellobiidae
Basommatophora
Gastropoda
Animalia
28
File Thorn
Carychium
nannodes
0
Land Snails
Ellobiidae
Basommatophora
Gastropoda
Animalia
29
Cherrystone Drop
Hendersonia
occulta
2
Land Snails
Helicinidae
Neritopsina
Gastropoda
Animalia
30
Brown Hive
Euconulus
fulvus
0
Land Snails
Euconulidae
Stylommatophora
Gastropoda
Animalia
31
Fat Hive
Euconulus
polygyratus
3
Land Snails
Euconulidae
Stylommatophora
Gastropoda
Animalia
32
Sterki's Granule
Guppya
sterkii
2
Land Snails
Euconulidae
Stylommatophora
Gastropoda
Animalia
33
Glossy Pillar
Cochlicopa
lubrica
15
Land Snails
Cionellidae
Stylommatophora
Gastropoda
Animalia
34
Thin Pillar
Cochlicopa
lubricella
1
Land Snails
Cionellidae
Stylommatophora
Gastropoda
Animalia
35
Appalachian Pillar
Cochlicopa
morseana
0
Land Snails
Cionellidae
Stylommatophora
Gastropoda
Animalia
36
Flamed Tigersnail
Anguispira
alternata
9
Land Snails
Discidae
Stylommatophora
Gastropoda
Animalia
37
Angular Disc
Discus
catskillensis
1
Land Snails
Discidae
Stylommatophora
Gastropoda
Animalia
38
Forest Disc
Discus
whitneyi
0
Land Snails
Discidae
Stylommatophora
Gastropoda
Animalia
39
Domed Disc
Discus
patulus
0
Land Snails
Discidae
Stylommatophora
Gastropoda
Animalia
40
Oldfield Coil
Helicodiscus
inermis
0
Land Snails
Helicodiscidae
Stylommatophora
Gastropoda
Animalia
41
Tight Coil
Helicodiscus
notius
0
Land Snails
Helicodiscidae
Stylommatophora
Gastropoda
Animalia
42
Temperate Coil
Helicodiscus
shimeki
0
Land Snails
Helicodiscidae
Stylommatophora
Gastropoda
Animalia
43
Smooth Coil
Helicodiscus
singleyanus
0
Land Snails
Helicodiscidae
Stylommatophora
Gastropoda
Animalia
44
Changeable Mantleslug
Megapallifera
mutabilis
14
Land Snails
Philomycidae
Stylommatophora
Gastropoda
Animalia
45
Pale Mantleslug
Pallifera
dorsalis
0
Land Snails
Philomycidae
Stylommatophora
Gastropoda
Animalia
46
Foster Mantleslug
Pallifera
fosteri
1
Land Snails
Philomycidae
Stylommatophora
Gastropoda
Animalia
47
Severed Mantleslug
Pallifera
secreta
0
Land Snails
Philomycidae
Stylommatophora
Gastropoda
Animalia
48
Carolina Mantleslug
Philomycus
carolinianus
9
Land Snails
Philomycidae
Stylommatophora
Gastropoda
Animalia
49
Winding Mantleslug
Philomycus
flexuolaris
0
Land Snails
Philomycidae
Stylommatophora
Gastropoda
Animalia
50
Toga Mantleslug
Philomycus
togatus
0
Land Snails
Philomycidae
Stylommatophora
Gastropoda
Animalia
51
Broad-banded Forestsnail
Allogona
profunda
1
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
52
Upland Pillsnail
Euchemotrema
fraternum
0
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
53
Flat Bladetooth
Patera
appressa
1
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
54
Spike-Lip Crater
Appalachina
sayana
0
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
55
Toothed Globe
Mesodon
zaletus
0
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
56
Smooth Bladetooth
Patera
laevior
0
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
57
Bristled Slitmouth
Stenotrema
barbatum
3
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
58
Bear Creek Slitmouth
Stenotrema
simile
0
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
59
Whitelip
Triodopsis
albolabris
1
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
60
Black Velvet Wedge
Triodopsis
denotata
0
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
61
Big-tooth Whitelip
Triodopsis
dentifera
0
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
62
Bladetooth Wedge
Triodopsis
fosteri
0
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
63
Southeastern Whitetooth
Triodopsis
major
0
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
64
Striped Whitelip
Webbhelix
multilineata
1
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
65
Nubbin Three-Tooth
Triodopsis
obsoleta
0
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
66
Spruce Knob Three-Tooth
Triodopsis
picea
1
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
67
Northern Three-Tooth
Triodopsis
tridentata
1
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
68
Lamellate Spot
Punctum
smithi
2
Land Snails
Punctidae
Stylommatophora
Gastropoda
Animalia
69
Glass Spot
Punctum
vitreum
2
Land Snails
Punctidae
Stylommatophora
Gastropoda
Animalia
70
High-spire Column
Columella
simplex
0
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
71
Armed Snaggletooth
Gastrocopta
armifera
4
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
72
Bark Snaggletooth
Gastrocopta
corticaria
2
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
73
Crested Snaggletooth
Gastrocopta
cristata
0
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
74
Slim Snaggletooth
Gastrocopta
pellucida
0
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
75
Wing Snaggletooth
Gastrocopta
procera
1
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
76
Tapered Snaggletooth
Gastrocopta
rupicola
0
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
77
White Snaggletooth
Gastrocopta
tappaniana
2
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
78
Widespread Column
Pupilla
muscorum
0
Land Snails
Pupillidae
Stylommatophora
Gastropoda
Animalia
79
White-Lip Dagger
Pupoides
albilabris
2
Land Snails
Pupillidae
Stylommatophora
Gastropoda
Animalia
80
Tapered Vertigo
Vertigo
elatior
0
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
81
Blade Vertigo
Vertigo
milium
3
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
82
Palmetto Vertigo
Vertigo
oralis
0
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
83
Capital Vertigo
Vertigo
oscariana
0
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
84
Ovate Vertigo
Vertigo
ovata
1
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
85
Crested Vertigo
Vertigo
pygmaea
1
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
86
Swamp Vertigo
Vertigo
teskeyae
0
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
87
Honey Vertigo
Vertigo
tridentata
0
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
88
Southern Pinecone
Strobilops
texasianus
1
Land Snails
Strobilopsidae
Stylommatophora
Gastropoda
Animalia
89
Suboval Ambersnail (avara)
Catinella
avara
0
Land Snails
Succineidae
Stylommatophora
Gastropoda
Animalia
90
Snowhill Ambersnail
Catinella
hubrichti
0
Land Snails
Succineidae
Stylommatophora
Gastropoda
Animalia
91
Detritus Ambersnail
Catinella
oklahomarum
0
Land Snails
Succineidae
Stylommatophora
Gastropoda
Animalia
92
Coastal Plain Ambersnail
Oxyloma
effusum
4
Land Snails
Succineidae
Stylommatophora
Gastropoda
Animalia
93
Chesapeake Ambersnail
Oxyloma
subeffusum
0
Land Snails
Succineidae
Stylommatophora
Gastropoda
Animalia
94
Crinkled Ambernsnail
Succinea
campestris
0
Land Snails
Succineidae
Stylommatophora
Gastropoda
Animalia
95
Xeric Ambernsnail
Succinea
indiana
0
Land Snails
Succineidae
Stylommatophora
Gastropoda
Animalia
96
Golden Ambersnail
Succinea
wilsonii
0
Land Snails
Succineidae
Stylommatophora
Gastropoda
Animalia
97
Costate Vallonia
Vallonia
costata
0
Land Snails
Valloniidae
Stylommatophora
Gastropoda
Animalia
98
Iroquois Vallonia
Vallonia
excentrica
1
Land Snails
Valloniidae
Stylommatophora
Gastropoda
Animalia
99
Thin-Lip Vallonia
Vallonia
perspectiva
0
Land Snails
Valloniidae
Stylommatophora
Gastropoda
Animalia
100
Lovely Vallonia
Vallonia
pulchella
0
Land Snails
Valloniidae
Stylommatophora
Gastropoda
Animalia
101
Eastern Glass-Snail
Vitrina
angelicae
0
Land Snails
Vitrinidae
Stylommatophora
Gastropoda
Animalia
102
Hill Glyph
Glyphyalinia
cumberlandiana
0
Land Snails
Zonitidae
Stylommatophora
Gastropoda
Animalia
103
Carved Glyph
Glyphyalinia
indentata
2
Land Snails
Zonitidae
Stylommatophora
Gastropoda
Animalia
104
Furrowed Glyph
Glyphyalinia
luticola
2
Land Snails
Zonitidae
Stylommatophora
Gastropoda
Animalia
105
Rust Glyph
Glyphyalinia
picea
0
Land Snails
Zonitidae
Stylommatophora
Gastropoda
Animalia
106
Maryland Glyph
Glyphyalinia
raderi
1
Land Snails
Zonitidae
Stylommatophora
Gastropoda
Animalia
107
Imperphorate Glyph
Glyphyalinia
solida
1
Land Snails
Zonitidae
Stylommatophora
Gastropoda
Animalia
108
Bright Glyph
Glyphyalinia
wheatleyi
3
Land Snails
Zonitidae
Stylommatophora
Gastropoda
Animalia
109
Southeastern Gem
Hawaiia
alachuana
0
Land Snails
Zonitidae
Stylommatophora
Gastropoda
Animalia
110
Copper Button
Mesomphix
cupreus
0
Land Snails
Zonitidae
Stylommatophora
Gastropoda
Animalia
111
Plain Button
Mesomphix
inornatus
1
Land Snails
Zonitidae
Stylommatophora
Gastropoda
Animalia
112
Smooth Button
Mesomphix
perlaevis
0
Land Snails
Zonitidae
Stylommatophora
Gastropoda
Animalia
113
Dentate Supercoil
Paravitrea
multidentata
0
Land Snails
Zonitidae
Stylommatophora
Gastropoda
Animalia
114
Natural Bridge Supercoil
Paravitrea
pontis
0
Land Snails
Zonitidae
Stylommatophora
Gastropoda
Animalia
115
Ribbed Striate
Striatura
exigua
0
Land Snails
Gastrodontidae
Stylommatophora
Gastropoda
Animalia
116
Black Striate
Striatura
ferrea
0
Land Snails
Gastrodontidae
Stylommatophora
Gastropoda
Animalia
117
Fine-Ribbed Striate
Striatura
milium
0
Land Snails
Gastrodontidae
Stylommatophora
Gastropoda
Animalia
118
Golden Dome
Ventridens
arcellus
0
Land Snails
Gastrodontidae
Stylommatophora
Gastropoda
Animalia
119
Wax Dome
Ventridens
cerinoideus
0
Land Snails
Gastrodontidae
Stylommatophora
Gastropoda
Animalia
120
Perforate Dome
Ventridens
demissus
0
Land Snails
Gastrodontidae
Stylommatophora
Gastropoda
Animalia
121
Pyramid Dome
Ventridens
intertextus
0
Land Snails
Gastrodontidae
Stylommatophora
Gastropoda
Animalia
122
Throaty Dome
Ventridens
gularis
0
Land Snails
Gastrodontidae
Stylommatophora
Gastropoda
Animalia
123
Split-tooth Dome
Ventridens
virginicus
0
Land Snails
Gastrodontidae
Stylommatophora
Gastropoda
Animalia
124
Black Gloss
Zonitoides
nitidus
4
Land Snails
Gastrodontidae
Stylommatophora
Gastropoda
Animalia
125
Eastern Melampus
Melampus
bidentatus
11
Land Snails
Ellobiidae
Archaeopulmonata
Gastropoda
Animalia
126
Grove Snail
Cepaea
nemoralis
8
Land Snails
Helicidae
Stylommatophora
Gastropoda
Animalia
127
Suboval Ambersnail (vermeta)
Catinella
vermeta
2
Land Snails
Succineidae
Stylommatophora
Gastropoda
Animalia
128
Oldfield Coil
Lucilla
scintilla
1
Land Snails
Helicodiscidae
Stylommatophora
Gastropoda
Animalia
129
Dark-bodied Glass-snail
Oxychilus
draparnaudi
2
Land Snails
Oxychilidae
Stylommatophora
Gastropoda
Animalia
130
Velvet Wedge
Xolotrema
denotatum
3
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
131
Slender Walker
Pomatiopsis
lapidaria
5
Land Snails
Pomatiopsidae
Mesogastropoda
Gastropoda
Animalia
132
Carved Glyph complex
Glyphyalinia
indentata complex
2
Land Snails
Zonitidae
Stylommatophora
Gastropoda
Animalia
133
Magnolia Three-tooth
Triodopsis
hopetonensis
1
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
134
Bladetooth Wedge
Xolotrema
fosteri
1
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
135
Oval Amber Snail
Succinea
ovalis
0
Land Snails
Succineidae
Stylommatophora
Gastropoda
Animalia
136
Five-tooth Vertigo
Vertigo
ventricosa
1
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
137
Rounded Snail
Discus
rotundatus
3
Land Snails
Discidae
Stylommatophora
Gastropoda
Animalia
138
Maritime Garden Snail
Cernuella
cisalpina
1
Land Snails
Geomitridae
Stylommatophora
Gastropoda
Animalia
139
Oval Ambersnail
Novisuccinea
ovalis
1
Land Snails
Succineidae
Stylommatophora
Gastropoda
Animalia
1
Cayenne Keyhole Limpet
Diodora
cayenensis
3
Limpets
Fissurelloidea
Archaeogastropoda
Gastropoda
Animalia
1
Common Periwinkle Snail
Littorina
littorea
0
Marine Snails
Littorinidae
Neotaenioglossa
Gastropoda
Animalia
2
Marsh Periwinkle
Littorina
irrorata
156
Marine Snails
Littorinidae
Neotaenioglossa
Gastropoda
Animalia
3
Eastern Mudsnail
Ilyanassa
obsoleta
12
Marine Snails
Nassariidae
Neogastropoda
Gastropoda
Animalia
4
Bruised Nassa
Nassarius
vibex
5
Marine Snails
Nassariidae
Neogastropoda
Gastropoda
Animalia
5
Thick-lipped Drill
Eupleura
caudata
4
Marine Snails
Muricidae
Neogastropoda
Gastropoda
Animalia
6
Atlantic Oyster Drill
Urosalpinx
cinerea
0
Marine Snails
Muricidae
Neogastropoda
Gastropoda
Animalia
7
Common Atlantic Slipper-snail
Crepidula
fornicata
26
Marine Snails
Calyptraeidae
Neotaenioglossa
Gastropoda
Animalia
8
Convex Slipper-snail
Crepidula
convexa
0
Marine Snails
Calyptraeidae
Neotaenioglossa
Gastropoda
Animalia
9
Henscomb Hydrobe
Littoridinops
tenuipes
12
Marine Snails
Hydrobiidae
Littorinimorpha
Gastropoda
Animalia
10
Dusky Seaslug
Ercolania
fuscata
1
Marine Snails
Stiligeridae
Sacoglossa
Gastropoda
Animalia
11
Channeled Whelk
Busycotypus
canaliculatus
9
Marine Snails
Melongenidae
Neogastropoda
Gastropoda
Animalia
12
Cockscomb Hydrobe
Littoridinops
monroensis
4
Marine Snails
Hydrobiidae
Littorinimorpha
Gastropoda
Animalia
13
Grass Cerith
Bittiolum
varium
2
Marine Snails
Cerithiidae
Neotaenioglossa
Gastropoda
Animalia
14
Channeled Barrel-bubble
Acteocina
canaliculata
1
Marine Snails
Cylichnidae
Cephalaspidea
Gastropoda
Animalia
15
Shark Eye
Neverita
duplicata
12
Marine Snails
Naticidae
Littorinimorpha
Gastropoda
Animalia
16
Knobbed Whelk
Busycon
carica
20
Marine Snails
Melongenidae
Neogastropoda
Gastropoda
Animalia
17
Eastern White Slippersnail
Crepidula
plana
3
Marine Snails
Calyptraeidae
Neotaenioglossa
Gastropoda
Animalia
18
No Common Name
Sinistrofulgur
laeostomum
3
Marine Snails
Buccinidae
Neogastropoda
Gastropoda
Animalia
19
Threeline Mudsnail
Ilyanassa
trivittata
2
Marine Snails
Nassariidae
Neogastropoda
Gastropoda
Animalia
1
Limpet Nudibranch
Corambe
obscura
5
Nudibranchs
Corambidae
Nudibranchia
Gastropoda
Animalia
2
Striped Nudibranch
Cratena
pilata
3
Nudibranchs
Facelinidae
Nudibranchia
Gastropoda
Animalia
3
Lemondrop Nudibranch
Doriopsilla
pharpa
1
Nudibranchs
Dendrodorididae
Nudibranchia
Gastropoda
Animalia
1
Eastern Emerald Elysia
Elysia
chlorotica
10
Sap-sucking Sea Slugs
Elysiidae
Sacoglossa
Gastropoda
Animalia
1
Leopard Slug
Limax
maximus
401
Slugs
Limacidae
Stylommatophora
Gastropoda
Animalia
2
Dusky Arion
Arion
subfuscus
32
Slugs
Arionidae
Stylommatophora
Gastropoda
Animalia
3
Hedgehog Slug
Arion
intermedius
7
Slugs
Arionidae
Stylommatophora
Gastropoda
Animalia
4
Meadow Slug
Deroceras
laeve
2
Slugs
Agriolimacidae
Stylommatophora
Gastropoda
Animalia
5
Three-banded Garden Slug
Ambigolimax
valentianus
2
Slugs
Limacidae
Stylommatophora
Gastropoda
Animalia
6
Milky Slug
Deroceras
reticulatum
10
Slugs
Agriolimacidae
Stylommatophora
Gastropoda
Animalia
7
Greenhouse Slug
Milax
gagates
1
Slugs
Milacidae
Stylommatophora
Gastropoda
Animalia
1
Brown-banded Wentletrap
Epitonium
rupicola
2
Wentletraps
Epitoniidae
Neotaenioglossa
Gastropoda
Animalia
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