Lagenella |
Lagenella cincta
sp. nov. |
USSR(Ukrainian SSR) |
Late Triassic |
Early Jurassic |
Lagenella |
Lagenella pachydermata
sp. nov. |
USSR(Ukrainian SSR) |
Jurassic |
Early Neocomian |
Platychila |
Platychila
|
USSR(Ukrainian SSR) |
Early Jurassic |
Middle Jurassic |
Platychila |
Platychila simplex
sp. nov. |
USSR(Ukrainian SSR) |
Early Jurassic |
Middle Jurassic |
Platychila |
Platychila stromatifera
sp. nov. |
USSR(Ukrainian SSR) |
Jurassic |
|
Platychila |
Platychila planiformis
sp. nov. |
USSR(Ukrainian SSR) |
Early Jurassic |
Middle Jurassic |
Involutella |
Involutella
|
USSR(Ukrainian SSR) |
Late Triassic |
Early Jurassic |
Involutella |
Involutella punctatula
sp. nov. |
USSR(Ukrainian SSR) |
Late Triassic |
Early Jurassic |
Retectina |
Retectina
|
USSR(Ukrainian SSR) |
Late Triassic |
Early Jurassic |
Retectina |
Retectina punctata
sp. nov. |
USSR(Ukrainian SSR) |
Late Triassic |
Early Jurassic |
Retectina |
Retectina glabra
sp. nov. |
USSR(Ukrainian SSR) |
Late Triassic |
Early Jurassic |
Retectina |
Retectina cristata
sp. nov. |
USSR(Ukrainian SSR) |
Middle Jurassic |
|
Siliculina |
Siliculina
|
USSR(Ukrainian SSR) |
Early Jurassic |
|
Siliculina |
Siliculina stromatifera
sp. nov. |
USSR(Ukrainian SSR) |
Early Jurassic |
|
Siliculina |
Siliculina simplicissima
sp. nov. |
USSR(Ukrainian SSR) |
Early Jurassic |
Middle Jurassic |
Siliculina |
Siliculina monoclina
sp. nov. |
USSR(Ukrainian SSR) |
Middle Jurassic |
|
Acuminella |
Acuminella
|
USSR(Ukrainian SSR) |
Middle Jurassic |
|