Home
Vertebrates
All
Amphibians
Birds
Fish
Mammals
Reptiles
Reptiles and Amphibians
Sharks and Rays
Insects
All
Ants
Beetles
Bees
Butterflies
Cicadas
Damselflies
Dragonflies
Dragonflies and Damselflies
Fleas
Flies (Diptera)
Grasshoppers and Crickets
Hornets and Wasps
Katydids
Mosquitoes
Moths
Planthoppers
Robber Flies
Sawflies, Horntails, Wood Wasps
Scale Insects
Stoneflies
Tiger Beetles
Treehoppers
True Bugs (Hemiptera)
Other Invertebrates
Amphipods
Bivalves - Freshwater
Bivalves - Saltwater
Crabs, Lobsters, and Shrimp
Crayfish
Earthworms
Gastropods
Harvestmen
Isopods
Jellyfish
Nematodes
Proturans
Sea Urchins
Spiders
Springtails
Ticks
Plants
Browse by family
Aster Family
Bryophytes
Carnivorous Plants
Clubmosses, Quillworts, Spikemosses
Ferns
Grasses
Iris Family
Milkweed Family
Mosses
Orchids
Pea Family
Rose Family
Sedges and Rushes
Fungi/Other
Algae - Freshwater
Algae - Marine Macroalgae
Algae - Marine Microalgae
Fungi - All
Fungi - Browse by family
Fungi - Ascomycota
Fungi - Basidiomycota
Lichens
Slime Molds
Explore
Bibliography
Maryland Quad Map
Maryland Quad Heat Map
Top 100 Contributors by Species
Top 100 Contributors by Species (2024)
Top 100 Contributors by Records
Recent Discoveries (this month)
iNaturalist Integration Summary
MBP Brochure
Partnerships
Editors
Photographers
Get Involved
FAQs
About Records
Dedication
Links
MBP on Facebook
MBP on Twitter
MBP on Instagram
MBP project at iNaturalist
Share photos on Flickr
MBP Google Group
Maryland Plant Atlas
MD/DCRC Resources
Stewart and Robbins (1958)
eBird
Sites
Andelot Farm
Chino Farms
Dans Rock Bird Count
Fort Smallwood Park
Horn Point Laboratory
Howard County Conservancy
Jemicy School
Rocky Gap State Park
Turkey Point Bird Count
Weinberg Park
Maryland Checklist - Category: Parasitic Worms, Flatworms - all-time (Total: 69)
Filter by tag...
Show All
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
\n
Photos
Common Name
Genus
Species
Records  
Category
Family
Order
Class
Kingdom
1
No Common Name
Mediorhynchus
grandis
0
Parasitic Worms
Giganthorhynchidae
Gigantorhynchida
Archiacanthocephala
Animalia
2
No Common Name
Echinorhynchus
coregoni
0
Parasitic Worms
Moniliformidae
Moniliformida
Archiacanthocephala
Animalia
3
No Common Name
Echinorhynchus
thecatus
0
Parasitic Worms
Moniliformidae
Moniliformida
Archiacanthocephala
Animalia
4
No Common Name
Macracanthorhynchus
ingens
0
Parasitic Worms
Oligacanthorhynchidae
Oligacanthorhynchida
Archiacanthocephala
Animalia
5
No Common Name
Oncicola
sp.
0
Parasitic Worms
Oligacanthorhynchidae
Oligacanthorhynchida
Archiacanthocephala
Animalia
6
No Common Name
Prosthenorchis
ingens
0
Parasitic Worms
Oligacanthorhynchidae
Oligacanthorhynchida
Archiacanthocephala
Animalia
7
No Common Name
Gigantorhynchus
gigas
0
Parasitic Worms
Giganthorhynchidae
Gigantorhynchida
Archiacanthocephala
Animalia
8
No Common Name
Mediorhynchus
papillosus
0
Parasitic Worms
Giganthorhynchidae
Gigantorhynchida
Archiacanthocephala
Animalia
9
No Common Name
Echinorhynchus
gigas
0
Parasitic Worms
Moniliformidae
Moniliformida
Archiacanthocephala
Animalia
10
No Common Name
Macracanthorhynchus
hirudinaceus
0
Parasitic Worms
Oligacanthorhynchidae
Oligacanthorhynchida
Archiacanthocephala
Animalia
11
No Common Name
Unidentified
sp.
0
Parasitic Worms
Oligacanthorhynchidae
Oligacanthorhynchida
Archiacanthocephala
Animalia
12
No Common Name
Prosthenorchis
elegans
0
Parasitic Worms
Oligacanthorhynchidae
Oligacanthorhynchida
Archiacanthocephala
Animalia
13
A Parasitic Worm
Neoechinorhynchus
cylindratus
0
Parasitic Worms
Neoechinorhynchidae
Neoechinorhynchida
Eoacanthocephala
Animalia
14
A Parasitic Worm
Neoechinorhynchus
rostratus
0
Parasitic Worms
Neoechinorhynchidae
Neoechinorhynchida
Eoacanthocephala
Animalia
15
A Parasitic Worm
Tanaorhamphus
ambiguus
0
Parasitic Worms
Echinorhynchidae
Neoechinorhynchida
Eoacanthocephala
Animalia
16
A Parasitic Worm
Neoechinorhynchus
cylindratus
0
Parasitic Worms
Neoechinorhynchidae
Neoechinorhynchida
Eoacanthocephala
Animalia
17
A Parasitic Worm
Paratenuisentis
ambiguus
0
Parasitic Worms
Tenuisentidae
Neoechinorhynchida
Eoacanthocephala
Animalia
1
No Common Name
Acolpenteron
ureteroecetes
0
Flatworms
Dactylogyridae
Monopisthocotylea
Monogenea
Animalia
2
No Common Name
Gyrodactylus
elegans
0
Flatworms
Gyrodactylidae
Monopisthocotylea
Monogenea
Animalia
3
No Common Name
Gyrodactylus
pungitii
0
Flatworms
Gyrodactylidae
Monopisthocotylea
Monogenea
Animalia
4
No Common Name
Cleidodiscus
capax
0
Flatworms
Ancylodiscoididae
Dactylogyridea
Monogenea
Animalia
5
No Common Name
Gyrodactylus
stephanus
0
Flatworms
Gyrodactylidae
Monopisthocotylea
Monogenea
Animalia
6
No Common Name
Polystoma
hassalli
0
Flatworms
Polystomatidae
Polystomatidea
Monogenea
Animalia
7
No Common Name
Mazocraes
scombri
0
Flatworms
Mazocraeidae
Mazocraeidea
Monogenea
Animalia
8
No Common Name
Polystomoides
hassalli
0
Flatworms
Polystomatidae
Polystomatidea
Monogenea
Animalia
9
No Common Name
Capsala
martinieri
0
Flatworms
Capsalidae
Monogenea
Monogenea
Animalia
10
No Common Name
Actinocleidus
sp.
0
Flatworms
Dactylogyridae
Monogenea
Monogenea
Animalia
11
No Common Name
Gyrodactylus
arcuatus
0
Flatworms
Gyrodactylidae
Monopisthocotylea
Monogenea
Animalia
12
No Common Name
Gyrodactylus
flesi
0
Flatworms
Gyrodactylidae
Monopisthocotylea
Monogenea
Animalia
13
No Common Name
Gyrodactylus
rarus
0
Flatworms
Gyrodactylidae
Monopisthocotylea
Monogenea
Animalia
14
No Common Name
Cleidodiscus
oculatus
0
Flatworms
Ancylodiscoididae
Dactylogyridea
Monogenea
Animalia
15
No Common Name
Onchocleidus
sp.
0
Flatworms
Ancyrocephalidae
Polystomatidea
Monogenea
Animalia
16
No Common Name
Polystomoidella
oblongum
0
Flatworms
Polystomatidae
Polystomatidea
Monogenea
Animalia
17
No Common Name
Polystomoides
oblongus
0
Flatworms
Polystomatidae
Polystomatidea
Monogenea
Animalia
18
No Common Name
Choricotyle
reynoldsi
0
Flatworms
Diclidophoridae
Mazocraeidea
Monogenea
Animalia
19
No Common Name
Octocotyle
scombri
0
Flatworms
Mazocraeidae
Mazocraeidea
Monogenea
Animalia
20
No Common Name
Nitzschia
sturionis
0
Flatworms
Capsalidae
Monogenea
Monogenea
Animalia
1
A Parasitic Worm
Acanthocephalus
ranae
0
Parasitic Worms
Echinorhynchidae
Echinorhynchida
Palaeacanthocephala
Animalia
2
A Parasitic Worm
Illiosentis
sp.
0
Parasitic Worms
Illiosentidae
Echinorhynchida
Palaeacanthocephala
Animalia
3
A Parasitic Worm
Telosentis
tenuicornis
0
Parasitic Worms
Illiosentidae
Echinorhynchida
Palaeacanthocephala
Animalia
4
A Parasitic Worm
Rhadinorhynchus
tenuicornis
0
Parasitic Worms
Rhadinorhynchidae
Echinorhynchida
Palaeacanthocephala
Animalia
5
A Parasitic Worm
Centrorhynchus
sp.
0
Parasitic Worms
Centrorhynchidae
Polymorphida
Palaeacanthocephala
Animalia
6
A Parasitic Worm
Arhythmorhynchus
brevis
0
Parasitic Worms
Polymorphidae
Polymorphida
Palaeacanthocephala
Animalia
7
A Parasitic Worm
Acanthocephalus
jacksoni
0
Parasitic Worms
Echinorhynchidae
Echinorhynchida
Palaeacanthocephala
Animalia
8
A Parasitic Worm
Dollfusentis
sp.
0
Parasitic Worms
Illiosentidae
Echinorhynchida
Palaeacanthocephala
Animalia
9
A Parasitic Worm
Tegorhynchus
furcatus
0
Parasitic Worms
Illiosentidae
Echinorhynchida
Palaeacanthocephala
Animalia
10
A Parasitic Worm
Leptorhynchoides
thecatus
0
Parasitic Worms
Rhadinorhynchidae
Echinorhynchida
Palaeacanthocephala
Animalia
11
A Parasitic Worm
Serrasentis
sagittifer
0
Parasitic Worms
Rhadinorhynchidae
Echinorhynchida
Palaeacanthocephala
Animalia
12
A Parasitic Worm
Plagiorhynchus
formosus
0
Parasitic Worms
Plagiorhynchidae
Polymorphida
Palaeacanthocephala
Animalia
13
A Parasitic Worm
Arhythmorhynchus
dimorpha
0
Parasitic Worms
Polymorphidae
Polymorphida
Palaeacanthocephala
Animalia
1
No Common Name
Paraplanaria
dactyligera
1
Flatworms
Planariidae
Neoophora
Trepaxonemata
Animalia
2
No Common Name
Phagocata
velata
1
Flatworms
Planariidae
Neoophora
Trepaxonemata
Animalia
3
No Common Name
Phagocata
gracilis
0
Flatworms
Planariidae
Neoophora
Trepaxonemata
Animalia
4
No Common Name
Bipalium
pennsylvanicum
23
Flatworms
Geoplanidae
Neoophora
Trepaxonemata
Animalia
5
No Common Name
Bipalium
kewense
2
Flatworms
Geoplanidae
Neoophora
Trepaxonemata
Animalia
6
No Common Name
Procotyla
fluviatilis
0
Flatworms
Dendrocoelidae
Neoophora
Trepaxonemata
Animalia
7
No Common Name
Microplana
terrestris
1
Flatworms
Geoplanidae
Neoophora
Trepaxonemata
Animalia
8
No Common Name
Cura
foremanii
1
Flatworms
Dugesiidae
Neoophora
Trepaxonemata
Animalia
9
Slender Flatworm
Euplana
gracilis
2
Flatworms
Euplanidae
Polycladida
Trepaxonemata
Animalia
10
No Common Name
Hymanella
retenuova
4
Flatworms
Planariidae
Neoophora
Trepaxonemata
Animalia
11
No Common Name
Phagocata
morgani
1
Flatworms
Planariidae
Neoophora
Trepaxonemata
Animalia
12
No Common Name
Dugesia
dorotocephala
2
Flatworms
Dugesiidae
Neoophora
Trepaxonemata
Animalia
13
Planariid
Planariidae gen.
sp.
1
Flatworms
Planariidae
Neoophora
Trepaxonemata
Animalia
14
Wandering Broadhead Planarian
Bipalium
adventitium
46
Flatworms
Geoplanidae
Neoophora
Trepaxonemata
Animalia
15
No Common Name
Phagocata
virilis
3
Flatworms
Planariidae
Neoophora
Trepaxonemata
Animalia
16
No Common Name
Stylochus
ellipticus
3
Flatworms
Stylochidae
Polycladida
Trepaxonemata
Animalia
17
No Common Name
Procotyla
typhlops
1
Flatworms
Dendrocoelidae
Neoophora
Trepaxonemata
Animalia
18
No Common Name
Dugesia
tigrina
0
Flatworms
Dugesiidae
Neoophora
Trepaxonemata
Animalia
19
No Common Name
Rhynchodemus
sylvaticus
2
Flatworms
Geoplanidae
Neoophora
Trepaxonemata
Animalia