Tylotopalla |
Tylotopalla tappaniae
|
Nd |
Late Llandoverian |
Wenlockian |
Tylotopalla |
Tylotopalla traumatica
|
Nd |
Ludlovian |
|
Tylotopalla |
Tylotopalla wenlockia
|
Nd |
Wenlockian |
|
Tympanicysta |
Tympanicysta
|
Nd |
Nd |
|
Tympanicysta |
Tympanicysta stoschiana
|
Nd |
Early Triassic |
|
Tyrannus |
Tyrannus
|
Nd |
Nd |
|
Tyrannus |
Tyrannus giganteus
|
Nd |
Ludlovian |
|
Tytthodiscus |
Tytthodiscus
|
Nd |
Nd |
|
Tytthodiscus |
Tytthodiscus beloglinensis
|
Nd |
Late Eocene |
|
Tytthodiscus |
Tytthodiscus californiensis
|
Nd |
Eocene |
Late Neogene |
Tytthodiscus |
Tytthodiscus chondrotus
|
Nd |
Miocene |
|
Tytthodiscus |
Tytthodiscus densiporosus
|
Nd |
Early Miocene |
Middle Miocene |
Tytthodiscus |
Tytthodiscus densiporosus
|
Nd |
Early Miocene |
Middle Miocene |
Tytthodiscus |
Tytthodiscus densiporosus
|
Nd |
Early Miocene |
Middle Miocene |
Tytthodiscus |
Tytthodiscus faveolus
|
Nd |
Late Rhaetian |
|
Tytthodiscus |
Tytthodiscus mecsekensis
|
Nd |
Middle Miocene |
|
Tytthodiscus |
Tytthodiscus schandelahensis
|
Nd |
Early Jurassic |
|