Confirmed in this study
|
Records
|
NatureServe
|
Dawley (1965)
|
Physa acuta
|
812
|
Physella
heterostropha
|
Physa heterostropha, P. inflata |
Campeloma
decisum
|
756
|
Campeloma
decisum, C. crassulum, C. geniculatum, C. limum
|
Campeloma decisum, C. geniculum, C. lewisii, C. rufrum |
Menetus
dilatatus
|
544
|
Micromenetus
dilatatus, M. alabamensis
|
Menetus dilatatus, M. alabamensis |
Ferrissia
fragilis
|
471
|
Ferrissia
fragilis, F. hendersoni
|
Ferrissia fragilis |
Goniobasis
proxima
|
432
|
Elimia
proxima, E. symmetrica
|
Goniobasis proxima, G. symmetrica |
Helisoma
anceps
|
409
|
Helisom
anceps
|
Helisoma anceps |
Lymnaea
columella
|
394
|
Pseudosuccinea
columella
|
Pseudosuccinea columella |
Laevapex
fuscus
|
309
|
Laevapex
fuscus
|
Laevapex fuscus, L. diaphanus |
Ferrissia
rivularis
|
242
|
Ferrissia
rivularis
|
Ferrissia rivularis |
Leptoxis
carinata
|
186
|
Leptoxis
carinata
|
Nitocris carinata |
Goniobasis
catenaria catenaria
|
169
|
Elimia
catenaria
|
- |
Amnicola
limosa
|
158
|
Amnicola
limosus, Amnicola sp. 1?
|
Amnicola limosa |
Amnicola
grana
|
113
|
-
|
Lyogyrus granum |
|
|
Probythinella
emarginata
|
- |
Helisoma
trivolvis
|
107
|
Planorbella
trivolvis
|
- |
|
|
Planorbella
duryi
|
- |
Somatogyrus
virginicus
|
70
|
Somatogyrus
virginicus, Somatogyrus sp. 1
|
Somatogyrus virginicus |
Lymnaea
humilis
|
66
|
Fossaria
humilis, F. obrussa
|
Fossaria modicella |
Goniobasis
virginica
|
58
|
Elimia
virginica
|
Goniobasis virginica |
Goniobasis
catenaria dislocata
|
57
|
Elimia
dislocata
|
Goniobasis catenaria dislocata |
Lioplax
subcarinata
|
55
|
Lioplax
subcarinata
|
Lioplax subcarinata |
Planorbula
armigera
|
50
|
Planorbula
armigera
|
- |
Gillia
altilis
|
43
|
Gillia
altilis
|
Gillia altilis, G. crenata |
Physa
species A
|
37
|
-
|
- |
Gyraulus
parvus
|
27
|
Gyraulus
parvus
|
- |
|
|
Gyraulus
deflectus
|
- |
Promenetus
exacuous
|
20
|
Promenetus
exacuous
|
- |
Viviparus
intertextus
|
11
|
Viviparus
intertextus
|
- |
Physa gyrina
|
11
|
Physella
gyrina
|
- |
Physa pomilia
|
10
|
Physella
hendersoni
|
Physa pomilia |
Lymnaea
cubensis
|
6
|
-
|
- |
Helisoma
magnificum
|
6
|
Planorbella
magnifica
|
Helisoma magnificum |
Valvata
bicarinata
|
4
|
Valvata
bicarinata
|
Valvata bicarinata |
|
|
Valvata
sincera
|
- |
Bellamya
japonica
|
4
|
Cipangopaludina
japonica
|
- |
|
|
Cipangopaludina
chinensis
|
- |
Hebetancylus
excentricus
|
3
|
-
|
- |
Helisoma
eucosmium
|
3
|
-
|
- |
Cincinnatia
sp.
|
2
|
Cincinnatia
sp. 1
|
Lyogyrus dalli? |
Viviparus
georgianus
|
1
|
Viviparus
georgianus
|
- |
| Littoridinops tenuipes |
* |
- |
- |
|
|
Marisa
cornuarietis
|
- |
|
|
Pomacea
paludosa
|
- |
|
|
Melanoides
tuberculatus
|
- |
|
|
Neritina
usnea
|
- |