Monilichitina |
Monilichitina sommeri
|
Nd |
Nd |
|
Mucrochitina |
Mucrochitina
|
Nd |
Nd |
|
Mucrochitina |
Mucrochitina esthonica
|
Nd |
Nd |
|
Muscochitina |
Muscochitina
|
France(Normandie) |
Early Lochkovian |
|
Muscochitina |
Muscochitina muscosa
|
France(Normandie) |
Early Lochkovian |
|
Mycetochitina |
Mycetochitina
|
Nd |
Nd |
|
Mycetochitina |
Mycetochitina hypha
|
Nd |
Nd |
|
Nanochitina |
Nanochitina
|
Nd |
Nd |
|
Nanochitina |
Nanochitina nana
|
Nd |
Nd |
|
Nematochitina |
Nematochitina
|
Nd |
Nd |
|
Nematochitina |
Nematochitina longicornis
|
Nd |
Nd |
|
Ollachitina |
Ollachitina
|
Algeria |
Tremadocian |
|
Ollachitina |
Ollachitina ingens
|
Algeria |
Tremadocian |
|
Oochitina |
Oochitina
|
Nd |
Nd |
|
Oochitina |
Oochitina fugax
|
Nd |
Nd |
|
Ordochitina |
Ordochitina
|
Morocco |
Early Caradocian |
|
Ordochitina |
Ordochitina tadlaiensis
|
Morocco |
Early Caradocian |
|