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Maryland Checklist - Order: Basommatophora - all-time (Total: 23)
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
Woodland Pondsnail
Stagnicola
catascopium
1
Freshwater Snails
Lymnaeidae
Basommatophora
Gastropoda
Animalia
2
No Common Name
Physa
carolinae
5
Freshwater Snails
Physidae
Basommatophora
Gastropoda
Animalia
3
Pewter Physa
Physella
heterostropha
pomila
11
Freshwater Snails
Physidae
Basommatophora
Gastropoda
Animalia
4
Two-ridge Rams-Horn
Helisoma
anceps
21
Freshwater Snails
Planorbidae
Basommatophora
Gastropoda
Animalia
5
Marsh Rams-Horn
Planorbella
trivolvis
18
Freshwater Snails
Planorbidae
Basommatophora
Gastropoda
Animalia
6
Fragile Ancylid
Ferrissia
fragilis
44
Freshwater Snails
Ancylidae
Basommatophora
Gastropoda
Animalia
7
Sharp Sprite
Promenetus
exacuous
1
Freshwater Snails
Planorbidae
Basommatophora
Gastropoda
Animalia
8
Dusky Ancylid
Laevapex
fuscus
2
Freshwater Snails
Ancylidae
Basommatophora
Gastropoda
Animalia
9
Pygmy Fossaria
Galba
parva
1
Freshwater Snails
Lymnaeidae
Basommatophora
Gastropoda
Animalia
10
Mimic Lymnaea
Pseudosuccinea
columella
39
Freshwater Snails
Lymnaeidae
Basommatophora
Gastropoda
Animalia
11
Marsh Pondsnail
Stagnicola
elodes
1
Freshwater Snails
Lymnaeidae
Basommatophora
Gastropoda
Animalia
12
No Common Name
Physa
gyrina
10
Freshwater Snails
Physidae
Basommatophora
Gastropoda
Animalia
13
Ash Gyro
Gyraulus
parvus
21
Freshwater Snails
Planorbidae
Basommatophora
Gastropoda
Animalia
14
Bugle Sprite
Menetus
dilatatus
102
Freshwater Snails
Planorbidae
Basommatophora
Gastropoda
Animalia
15
Acute Bladder Snail
Physella
acuta
247
Freshwater Snails
Physidae
Basommatophora
Gastropoda
Animalia
16
Thicklip Rams-Horn
Planorbula
armigera
10
Freshwater Snails
Planorbidae
Basommatophora
Gastropoda
Animalia
17
Flexed Gyro
Gyraulus
deflectus
1
Freshwater Snails
Planorbidae
Basommatophora
Gastropoda
Animalia
18
Creeping Ancylid
Ferrissia
rivularis
70
Freshwater Snails
Ancylidae
Basommatophora
Gastropoda
Animalia
19
Marsh Fossaria
Fossaria
humilis
73
Freshwater Snails
Lymnaeidae
Basommatophora
Gastropoda
Animalia
1
Appalachian Thorn
Carychium
clappi
0
Land Snails
Ellobiidae
Basommatophora
Gastropoda
Animalia
2
Ice Thorn
Carychium
exile
3
Land Snails
Ellobiidae
Basommatophora
Gastropoda
Animalia
3
Obese Thorn
Carychium
exiguum
4
Land Snails
Ellobiidae
Basommatophora
Gastropoda
Animalia
4
File Thorn
Carychium
nannodes
0
Land Snails
Ellobiidae
Basommatophora
Gastropoda
Animalia
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