"Lower Heterobranchia"
Family: Acteonidae
| Scientific Name |
Author/s |
Common Name |
Last Record |
Distribution |
Status |
Taxon Profile |
| Pupa obliquicostulata |
Smith, 1892 |
St. Helena pupa snail |
? |
Saint Helena |
Extinct |
Access |
Family: Valvatidae
| Scientific Name |
Author/s |
Common Name |
Last Record |
Distribution |
Status |
Taxon Profile |
| Borysthenia goldfussiana |
Wüst, 1901 |
|
Middle Pleistocene? |
Britain |
Extinct |
Access |
| |
|
|
|
|
|
|
| Valvata klemmi |
Schütt, 1962 |
|
1982 |
Lake Trichonis, Lake Ozeros, and Lake Lysimachia, Greece |
Extinct |
Access |
| |
|
|
|
|
|
|
| Valvata virens virens |
Tryon, 1863 |
Emerald valvata |
? |
California, USA |
Missing |
Access |
Statistics
| Conservation status |
Number of taxa (in percentage) |
| |
|
| Extinct |
3 (75%) |
| Missing |
1 (25%) |
| Extinct in the Wild |
0 |
| Possibly Extinct in the Wild |
0 |
| Globally Rediscovered |
0 |
| Rediscovered in the Wild |
0 |
| Reintroduced |
0 |
| Hypothetical |
0 |
| Invalid |
0 |
| Erroneously listed |
0 |
| Uncertain status |
0 |
| |
|
| Total |
4 |
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