Leiotriletes |
Leiotriletes convexus
|
USSR(Yakut ASSR) |
Middle Jurassic |
|
Leiotriletes |
Leiotriletes convexus
|
USSR(Yakut ASSR) |
Cenomanian |
Turonian |
Leiotriletes |
Leiotriletes distaliconcavus
|
USSR(Yakut ASSR) |
Aptian |
Senonian |
Leiotriletes |
Leiotriletes distaliconcavus
|
USSR(Yakut ASSR) |
Senonian |
|
Leiotriletes |
Leiotriletes distaliconcavus
|
USSR(Yakut ASSR) |
Cenomanian |
Turonian |
Leiotriletes |
Leiotriletes glaber
|
USSR(Yakut ASSR) |
Middle Jurassic |
|
Leiotriletes |
Leiotriletes glaber
|
USSR(Yakut ASSR) |
Neocomian |
|
Leiotriletes |
Leiotriletes incertus
|
USSR(Yakut ASSR) |
Early Jurassic |
Late Cretaceous |
Leiotriletes |
Leiotriletes incertus
|
USSR(Yakut ASSR) |
Late Liassic |
|
Leiotriletes |
Leiotriletes incertus
|
USSR(Yakut ASSR) |
Middle Liassic |
|
Leiotriletes |
Leiotriletes incertus
|
USSR(Yakut ASSR) |
Middle Jurassic |
|
Leiotriletes |
Leiotriletes microdiscus
|
USSR(Yakut ASSR) |
Late Triassic |
|
Leiotriletes |
Leiotriletes microdiscus
|
USSR(Yakut ASSR) |
Late Jurassic |
|
Leiotriletes |
Leiotriletes microrugosus
|
USSR(Yakut ASSR) |
Neocomian |
|
Leiotriletes |
Leiotriletes perpusillus
|
USSR(Yakut ASSR) |
Aptian |
Early Albian |
Leiotriletes |
Leiotriletes romboideus
|
USSR(Yakut ASSR) |
Middle Jurassic |
|
Leiotriletes |
Leiotriletes romboideus
|
USSR(Yakut ASSR) |
Late Jurassic |
|