Linochitina |
Linochitina cingulata
|
Europe |
Middle Wenlockian |
Late Wenlockian |
Linochitina |
Linochitina convexa
|
Europe |
Ludlovian |
|
Linochitina |
Linochitina hedei
|
Europe |
Late Ludlovian |
Middle Pridolian |
Linochitina |
Linochitina odiosa
|
Europe |
Middle Wenlockian |
Late Wenlockian |
Margachitina |
Margachitina margaritana
|
Europe |
Late Llandoverian |
Middle Wenlockian |
Ollachitina |
Ollachitina ingens
|
Africa |
Early Ordovician |
|
Plectochitina |
Plectochitina tapajonica
|
South America |
Frasnian |
|
Pterochitina |
Pterochitina perivelata
|
Europe |
Late Ludlovian |
Middle Pridolian |
Rhabdochitina |
Rhabdochitina conocephala
|
North America |
Famennian |
|
Rhabdochitina |
Rhabdochitina magna
|
Europe |
Middle Arenigian |
Ashgillian |
Rhabdochitina |
Rhabdochitina magna
|
North America |
Middle Arenigian |
Ashgillian |
Siphonochitina |
Siphonochitina clavata
|
Europe |
Late Llanvirnian |
Early Caradocian |
Siphonochitina |
Siphonochitina formosa
|
Europe |
Early Llanvirnian |
|
Siphonochitina |
Siphonochitina pellucida
|
Africa |
Early Arenigian |
Middle Arenigian |
Siphonochitina |
Siphonochitina robusta
|
Europe |
Llanvirnian |
Early Caradocian |
Siphonochitina |
Siphonochitina tenuicollis
|
Europe |
Llanvirnian |
Early Llandeilian |
Sphaerochitina |
Sphaerochitina acanthifera
|
Europe |
Middle Ludlovian |
Late Ludlovian |