| Viviparidae |
Campeloma decisum decisum
24.5 mm |
Campeloma decisum crassulum
41.4 mm |
Viviparus intertextus
23.7 mm |
Viviparus subpurpureus
22.2 mm |
Viviparus georgianus
25.0 mm |
Lioplax subcarinata
14.3 mm |
 Cipangopaludina japonica
55.4 mm |
|
Cipangopaludina chinensis
47.5 mm |
| Valvatidae |
|
Valvata tricarinata
5.2 mm |
|
| Pleuroceridae |
Pleurocera virginica
24.0 mm |
Pleurocera proxima
17.7 mm |
Pleurocera shenandoa
18.1mm |
Pleurocera semicarinata semicarinata
17.8 mm |
Pleurocera semicarinata livescens
15.4 mm |
Pleurocera semicarinata obovata
15.4 mm |
Pleurocera canaliculata acuta
20.5 mm |
Pleurocera canaliculata canaliculata
38.0 mm |
Pleurocera
troostiana lyonii
23.9 mm |
Pleurocera
simplex simplex
17.6 mm |
Pleurocera simplex ebenum
15.6 mm |
Pleurocera
gabbiana
14.4 mm |
Pleurocera
clavaeformis clavaeformis
24.0 mm |
Pleurocera
laqueata laqueata
19.4 mm |
Pleurocera laqueata alveare
19.6 mm |
Lithasia verrucosa
20.0 mm |
Lithasia geniculata geniculata
18.3 mm |
Lithasia armigera
28.8 mm |
Leptoxis
praerosa
12.1 mm |
|
Leptoxis carinata
13.3 mm |
| Pomatiopsidae |
Pomatiopsis lapidaria
5.7 mm |
|
Pomatiopsis cincinnatiensis
5.2 mm |
| Other hydrobioids |
Amnicola limosa
3.8mm |
Lyogyrus granum
2.6 mm |
Probythinella
emarginata
3.1 mm |
Marstonia scalariformis
3.2 mm |
Marstonia lustrica
4.6 mm |
Marstonia letsoni
2.2 mm |
Birgella subglobosa
7.7 mm |
Somatogyrus integra
3.7 mm |
Cincinnatia integra
4.5 mm |
Fontigens nickliniana
3.6 mm |
Fontigens orolibas
3.1 mm |
Fontigens bottimeri
1.9 mm |
Fontigens cryptica
1.9 mm |
Fontigens tartarea
1.8 mm |
Fontigens turritella
1.5 mm |
Fontigens benfieldi
1.9 mm |
Fontigens davisi
2.5 mm |
Antroselates spiralis
3.3 mm |
| Lymnaeidae |
Lymnaea stagnalis
41.4 mm |
Lymnaea
elodes
25.5 mm |
Lymnaea
catascopium
18.6 mm |
Lymnea columella
10.4 mm |
Lymnaea humilis
5.9 mm |
Lymnea caperata
11.0 mm |
| Physidae |
Physa acuta
8.3 mm |
Physa
vernalis
6.0 mm |
Physa gyrina
11.5 mm |
|
Aplexa elongata
12.6 mm |
|
| Planorbidae |
Helisoma trivolvis
18.5 mm |
Helisoma anceps
8.4 mm |
Helisoma campanulatum
11.9 mm |
Gyraulus parvus
2.9 mm |
Gyraulus deflectus
3.8 mm |
Gyraulus circumstriatus
5.1 mm |
Planorbula armigera
7.1 mm |
Promenetus exacuous
3.5 mm |
Menetus dilatatus
2.4 mm |
| Ancylidae |
Ferrissia rivularis
4.5 mm |
Ferrissia
fragilis
3.1 mm |
Laevapex fuscus
5.9 mm |
|
Rhodacmea filosa
4.1 mm |
|
