Acanthochitina |
Acanthochitina barbata
|
Worldwide |
Late Ordovician |
|
Armoricochitina |
Armoricochitina nigerica
|
Worldwide |
Late Ordovician |
|
Belonechitina |
Belonechitina micracantha
|
Worldwide |
Middle Ordovician |
Late Ordovician |
Belonechitina |
Belonechitina robusta
|
Worldwide |
Middle Ordovician |
|
Belonechitina |
Belonechitina taugourdeaui
|
Worldwide |
Late Ordovician |
|
Belonechitina |
Belonechitina wesenbergensis
|
Worldwide |
Late Ordovician |
|
Calpichitina |
Calpichitina lenticularis
|
Worldwide |
Late Ordovician |
|
Conochitina |
Conochitina calix
|
Worldwide |
Middle Ordovician |
|
Conochitina |
Conochitina decipiens
|
Worldwide |
Early Ordovician |
|
Conochitina |
Conochitina hirsuta
|
Worldwide |
Middle Ordovician |
|
Conochitina |
Conochitina pirum
|
Worldwide |
Early Ordovician |
|
Conochitina |
Conochitina poumoti
|
Worldwide |
Early Ordovician |
Middle Ordovician |
Conochitina |
Conochitina subcylindrica
|
Worldwide |
Middle Ordovician |
|
Conochitina |
Conochitina symmetrica
|
Worldwide |
Early Ordovician |
|
Cyathochitina |
Cyathochitina campanulaeformis
|
Worldwide |
Middle Ordovician |
|
Cyathochitina |
Cyathochitina kuckersiana
|
Worldwide |
Middle Ordovician |
Late Ordovician |
Desmochitina |
Desmochitina minor
|
Worldwide |
Middle Ordovician |
Late Ordovician |