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Adventive
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Coastal Plain only
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Extinct
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Extirpated
\n
Extralimital
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G1 (Highly globally rare)
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G1G2 (Highly globally rare)
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G2 (Globally rare)
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G2G3 (Globally rare)
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G3 (Globally rare/local)
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G3G4 (Globally vulnerable)
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G4
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G4G5
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G5
\n
Garrett only
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GH (No known extant occurrences)
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GU (Global status uncertain)
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In need of conservation
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S1 (Highly state rare)
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S1B (Highly state rare breeder)
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S1M (State rare migrant)
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S1N (State rare non-breeder)
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S1S2 (Highly state rare)
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S1S2B (State rare breeder)
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S2 (State rare)
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S2B (State rare breeder)
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S2B (State rare breeder)
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S2S3 (State rare)
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S2S3B (State rare breeder)
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S3 (Watch list)
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S3B (State watchlist breeder)
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S3S4
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S4SE
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SH (Historical)
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SHB (State historical breeder)
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SR (State rare)
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Western MD only
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Worcester only
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Photos
Common Name
Genus
Species
Records  
Category
Family
Order
Class
Kingdom
1
Rainbow Trout
Oncorhynchus
mykiss
116
Fish
Salmonidae
Salmoniformes
Actinopterygii
Animalia
2
Mottled Sculpin
Cottus
bairdii
20
Fish
Cottidae
Scorpaeniformes
Actinopterygii
Animalia
1
Green Frog
Lithobates
clamitans
2381
Amphibians
Ranidae
Anura
Amphibia
Animalia
2
American Toad
Anaxyrus
americanus
americanus
2057
Amphibians
Bufonidae
Anura
Amphibia
Animalia
3
Wood Frog
Lithobates
sylvaticus
1035
Amphibians
Ranidae
Anura
Amphibia
Animalia
4
Northern Slimy Salamander
Plethodon
glutinosus
418
Amphibians
Plethodontidae
Caudata
Amphibia
Animalia
5
Northern Dusky Salamander
Desmognathus
fuscus
3229
Amphibians
Plethodontidae
Caudata
Amphibia
Animalia
6
Spring Salamander
Gyrinophilus
porphyriticus
54
Amphibians
Plethodontidae
Caudata
Amphibia
Animalia
7
Eastern Newt
Notophthalmus
viridescens
680
Amphibians
Salamandridae
Caudata
Amphibia
Animalia
8
Red Salamander
Pseudotriton
ruber
263
Amphibians
Plethodontidae
Caudata
Amphibia
Animalia
9
Pickerel Frog
Lithobates
palustris
849
Amphibians
Ranidae
Anura
Amphibia
Animalia
10
Spring Peeper
Pseudacris
crucifer
crucifer
1387
Amphibians
Hylidae
Anura
Amphibia
Animalia
11
Northern Leopard Frog
Lithobates
pipiens
1
Amphibians
Ranidae
Anura
Amphibia
Animalia
12
Long-tailed Salamander
Eurycea
longicauda
longicauda
189
Amphibians
Plethodontidae
Caudata
Amphibia
Animalia
13
Eastern Red-backed Salamander
Plethodon
cinereus
15112
Amphibians
Plethodontidae
Caudata
Amphibia
Animalia
14
Allegheny Mountain Dusky Salamander
Desmognathus
ochrophaeus
221
Amphibians
Plethodontidae
Caudata
Amphibia
Animalia
15
Northern Two-lined Salamander
Eurycea
bislineata
765
Amphibians
Plethodontidae
Caudata
Amphibia
Animalia
16
Spotted Salamander
Ambystoma
maculatum
748
Amphibians
Ambystomatidae
Caudata
Amphibia
Animalia
1
No Common Name
Erebomaster
acanthinus
4
Harvestmen
Cladonychiidae
Opiliones
Arachnida
Animalia
2
No Common Name
Leiobunum
bicolor
1
Harvestmen
Sclerosomatidae
Opiliones
Arachnida
Animalia
1
No Common Name
Apochthonius
sp.
2
Pseudoscorpions
Chthoniidae
Pseudoscorpiones
Arachnida
Animalia
1
No Common Name
Meta
menardi
4
Spiders
Tetragnathidae
Araneae
Arachnida
Animalia
2
Appalachian Cave Spider
Porrhomma
cavernicola
8
Spiders
Linyphiidae
Araneae
Arachnida
Animalia
3
No Common Name
Ceratinopsis
interpres
3
Spiders
Linyphiidae
Araneae
Arachnida
Animalia
4
No Common Name
Tenuiphantes
sabulosus
3
Spiders
Linyphiidae
Araneae
Arachnida
Animalia
5
No Common Name
Eidmannella
pallida
2
Spiders
Nesticidae
Araneae
Arachnida
Animalia
6
Common House Spider
Parasteatoda
tepidariorum
51
Spiders
Theridiidae
Araneae
Arachnida
Animalia
7
No Common Name
Oreonetides
sp.
2
Spiders
Linyphiidae
Araneae
Arachnida
Animalia
8
No Common Name
Mermessus
tridentatus
2
Spiders
Linyphiidae
Araneae
Arachnida
Animalia
9
No Common Name
Porrhomma
terrestre
1
Spiders
Linyphiidae
Araneae
Arachnida
Animalia
1
No Common Name
Scutigera
sp.
1
Centipedes
Scutigeridae
Scutigeromorpha
Chilopoda
Animalia
1
No Common Name
Dendrobaena
rubida
8
Earthworms
Lumbricidae
Haplotaxida
Clitellata
Animalia
2
No Common Name
Allolobophora
turgida
14
Earthworms
Lumbricidae
Haplotaxida
Clitellata
Animalia
3
No Common Name
Octolasion
tyrtaeum
2
Earthworms
Lumbricidae
Haplotaxida
Clitellata
Animalia
1
Crabtree Cave Springtail
Arrhopalites
sp.-1
2
Springtails
Arrhopalitidae
Symphypleona
Collembola
Animalia
2
No Common Name
Tomocerus
bidentatus
2
Springtails
Tomoceridae
Entomobryomorpha
Collembola
Animalia
3
No Common Name
Ceratophysella
sp.
2
Springtails
Hypogastruridae
Poduromorpha
Collembola
Animalia
4
No Common Name
Tomocerus
flavescens
2
Springtails
Tomoceridae
Entomobryomorpha
Collembola
Animalia
5
No Common Name
Sinella
cavernarum
1
Springtails
Entomobryidae
Entomobryomorpha
Collembola
Animalia
1
No Common Name
Narceus
americanus-annularis
292
Millipedes
Spirobolidae
Spirobolida
Diplopoda
Animalia
2
No Common Name
Pseudopolydesmus
canadensis
26
Millipedes
Polydesmidae
Polydesmida
Diplopoda
Animalia
3
No Common Name
Pseudotremia
sp.
2
Millipedes
Cleidogonidae
Chordeumatida
Diplopoda
Animalia
4
No Common Name
Abacion
magnum
1
Millipedes
Abacionidae
Callipodida
Diplopoda
Animalia
5
No Common Name
Nopoiulus
kochii
2
Millipedes
Blaniulidae
Julida
Diplopoda
Animalia
6
No Common Name
Conotyla
blakei
2
Millipedes
Conotylidae
Chordeumatida
Diplopoda
Animalia
7
No Common Name
Conotyla
venetia
1
Millipedes
Conotylidae
Chordeumatida
Diplopoda
Animalia
8
No Common Name
Ophyiulus
pilosus
17
Millipedes
Julidae
Julida
Diplopoda
Animalia
9
Granulated Millipede
Scytonotus
granulatus
3
Millipedes
Polydesmidae
Polydesmida
Diplopoda
Animalia
10
No Common Name
Oriulus
delus
1
Millipedes
Parajulidae
Julida
Diplopoda
Animalia
11
No Common Name
Nemasoma
sp.
1
Millipedes
Nemasomatidae
Julida
Diplopoda
Animalia
12
No Common Name
Nopoiulus
sp.
2
Millipedes
Blaniulidae
Julida
Diplopoda
Animalia
13
No Common Name
Virgoiulus
minutus
1
Millipedes
Blaniulidae
Julida
Diplopoda
Animalia
14
No Common Name
Conotyla
sp.
2
Millipedes
Conotylidae
Chordeumatida
Diplopoda
Animalia
15
No Common Name
Trichopetalum
appropinquo
3
Millipedes
Trichopetalidae
Chordeumatida
Diplopoda
Animalia
16
No Common Name
Pseudopolydesmus
serratus
85
Millipedes
Polydesmidae
Polydesmida
Diplopoda
Animalia
1
Two-ridge Rams-Horn
Helisoma
anceps
21
Freshwater Snails
Planorbidae
Basommatophora
Gastropoda
Animalia
1
Whitelip
Triodopsis
albolabris
1
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
2
Flamed Tigersnail
Anguispira
alternata
10
Land Snails
Discidae
Stylommatophora
Gastropoda
Animalia
3
Gray-footed Lancetooth
Haplotrema
concavum
3
Land Snails
Haplotrematidae
Stylommatophora
Gastropoda
Animalia
4
Hairy Slitmouth
Stenotrema
hirsutum
1
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
5
Plain Button
Mesomphix
inornatus
1
Land Snails
Zonitidae
Stylommatophora
Gastropoda
Animalia
6
Northern Three-Tooth
Triodopsis
tridentata
1
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
7
Compound Coil
Helicodiscus
parallelus
5
Land Snails
Helicodiscidae
Stylommatophora
Gastropoda
Animalia
8
Armed Snaggletooth
Gastrocopta
armifera
4
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
1
No Common Name
Ceuthophilus
gracilipes
3
Crickets
Rhaphidophoridae
Orthoptera
Insecta
Animalia
1
No Common Name
Megaselia
cavernicola
1
Humpbacked Flies
Phoridae
Diptera
Insecta
Animalia
1
Herald Moth
Scoliopteryx
libatrix
53
Moths
Erebidae
Lepidoptera
Insecta
Animalia
1
No Common Name
Heleomyza
brachypterna
1
Sun Flies
Heleomyzidae
Diptera
Insecta
Animalia
2
No Common Name
Oecothea
specus
1
Sun Flies
Heleomyzidae
Diptera
Insecta
Animalia
3
No Common Name
Amoebaleria
defessa
6
Sun Flies
Heleomyzidae
Diptera
Insecta
Animalia
4
No Common Name
Heleomyza
serrata
1
Sun Flies
Heleomyzidae
Diptera
Insecta
Animalia
1
Shenandoah Valley Cave Amphipod
Stygobromus
gracilipes
7
Amphipods
Crangonyctidae
Amphipoda
Malacostraca
Animalia
2
No Common Name
Gammarus
minus
1
Amphipods
Gammaridae
Amphipoda
Malacostraca
Animalia
3
Greenbrier Cave Amphipod
Stygobromus
emarginatus
6
Amphipods
Crangonyctidae
Amphipoda
Malacostraca
Animalia
4
Dearolf's Cave Amphipod
Crangonyx
dearolfi
4
Amphipods
Crangonyctidae
Amphipoda
Malacostraca
Animalia
5
No Common Name
Stygobromus
sp.
9
Amphipods
Crangonyctidae
Amphipoda
Malacostraca
Animalia
6
Allegheny Cave Amphipod
Stygobromus
allegheniensis
22
Amphipods
Crangonyctidae
Amphipoda
Malacostraca
Animalia
1
Common Crayfish
Cambarus
bartonii
62
Crayfish
Cambaridae
Decapoda
Malacostraca
Animalia
1
No Common Name
Caecidotea
pricei
29
Isopods
Asellidae
Isopoda
Malacostraca
Animalia
2
No Common Name
Caecidotea
sp.
5
Isopods
Asellidae
Isopoda
Malacostraca
Animalia
3
Curly Woodlouse
Cylisticus
convexus
6
Isopods
Cylisticidae
Isopoda
Malacostraca
Animalia
4
No Common Name
Caecidotea
franzi
6
Isopods
Asellidae
Isopoda
Malacostraca
Animalia
5
No Common Name
Haplophthalmus
danicus
19
Isopods
Trichoniscidae
Isopoda
Malacostraca
Animalia
1
Northern Myotis
Myotis
septentrionalis
12
Mammals
Vespertilionidae
Chiroptera
Mammalia
Animalia
2
Eastern Small-footed Bat
Myotis
leibii
26
Mammals
Vespertilionidae
Chiroptera
Mammalia
Animalia
3
Common Raccoon
Procyon
lotor
908
Mammals
Procyonidae
Carnivora
Mammalia
Animalia
4
Big Brown Bat
Eptesicus
fuscus
214
Mammals
Vespertilionidae
Chiroptera
Mammalia
Animalia
5
Little Brown Myotis
Myotis
lucifugus
82
Mammals
Vespertilionidae
Chiroptera
Mammalia
Animalia
6
Indiana Bat
Myotis
sodalis
20
Mammals
Vespertilionidae
Chiroptera
Mammalia
Animalia
7
Tri-colored Bat
Pipistrellus
subflavus
75
Mammals
Vespertilionidae
Chiroptera
Mammalia
Animalia
8
Allegheny Woodrat
Neotoma
magister
48
Mammals
Muridae
Rodentia
Mammalia
Animalia
1
Northern Watersnake
Nerodia
sipedon
sipedon
1262
Reptiles
Colubridae
Squamata
Reptilia
Animalia
2
Eastern Copperhead
Agkistrodon
contortrix
383
Reptiles
Crotalidae
Squamata
Reptilia
Animalia
3
Eastern Box Turtle
Terrapene
carolina
carolina
3355
Reptiles
Emydidae
Testudines
Reptilia
Animalia
4
Eastern Ratsnake
Pantherophis
alleghaniensis
1114
Reptiles
Colubridae
Squamata
Reptilia
Animalia
5
Common Gartersnake
Thamnophis
sirtalis
1116
Reptiles
Colubridae
Squamata
Reptilia
Animalia
6
Wood Turtle
Glyptemys
insculpta
99
Reptiles
Emydidae
Testudines
Reptilia
Animalia
1
No Common Name
Phagocata
morgani
1
Flatworms
Planariidae
Neoophora
Trepaxonemata
Animalia
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