Pseudolunulidia |
Pseudolunulidia imperatrizensis
|
Brazil |
Middle Devonian |
|
Pterospermopsis |
Pterospermopsis brasiliensis
|
Brazil |
Middle Devonian |
Late Devonian |
Pulvinosphaeridium |
Pulvinosphaeridium
|
North America |
Silurian |
|
Quadraditum |
Quadraditum fantasticum
|
Nd |
Early Llandoverian |
Late Gothlandian |
Rugulidium |
Rugulidium microrugulatum
|
Morocco |
Tremadocian |
Late Arenigian |
Rugulidium |
Rugulidium rugulatum
|
Morocco |
Tremadocian |
Late Arenigian |
Rugulidium |
Rugulidium scabratum
|
Morocco |
Tremadocian |
Late Arenigian |
Rugulidium |
Rugulidium triangulatum
|
Morocco |
Tremadocian |
Late Arenigian |
Rugulidium |
Rugulidium varirugulatum
|
Morocco |
Tremadocian |
Late Arenigian |
Stellinium |
Stellinium cristatum
|
Ohio |
Mississippian |
|
Tasmanites |
Tasmanites mourai
|
Brazil |
Early Devonian |
Middle Devonian |
Triangulina |
Triangulina alargada
|
Brazil |
Early Devonian |
Middle Devonian |
Veliferites |
Veliferites tenuimarginatus
|
Brazil |
Early Devonian |
Middle Devonian |
Veryhachium |
Veryhachium
|
England |
Permian |
|
Veryhachium |
Veryhachium bulbiferum
|
England |
Wenlockian |
|
Veryhachium |
Veryhachium carminae
|
Spain |
Early Gedinnian |
|
Veryhachium |
Veryhachium elongatum
|
England |
Wenlockian |
|