Ancyrochitina |
Ancyrochitina biconstricta
|
|
Early Devonian |
|
Conochitina |
Conochitina biconstricta
|
|
Early Devonian |
|
Amphorachitina |
Amphorachitina veligera
|
Africa(Sahara) |
Arenigian |
Llandeilian |
Aqualichitina |
Aqualichitina ovoidea
|
Africa(Sahara) |
Ordovician |
|
Cyathochitina |
Cyathochitina pellucida
|
Africa(Sahara) |
Ordovician |
|
Urinichitina |
Urinichitina urceolata
|
Africa(Sahara) |
Ordovician |
|
Velatachitina |
Velatachitina veligera
|
Africa(Sahara) |
Arenigian |
Llandeilian |
Desmochitina |
Desmochitina urceolata
|
Africa(Sahara) |
Ordovician |
|
Desmochitina |
Desmochitina urceolata
|
Africa(Sahara) |
Ordovician |
|
Lagenochitina |
Lagenochitina ovoidea
|
Africa(Sahara) |
Ordovician |
|
Desmochitina |
Desmochitina pellucida
|
Africa(Sahara) |
Ordovician |
|
Aqualichitina |
Aqualichitina macrostoma
|
Algeria |
Ordovician |
Middle Devonian |
Baculochitina |
Baculochitina maxima
|
Algeria |
Ordovician |
|
Cingulochitina |
Cingulochitina infundibuliformis
|
Algeria |
Early Ordovician |
Late Ordovician |
Clathrochitina |
Clathrochitina retifera
|
Algeria |
Middle Devonian |
|
Clathrochitina |
Clathrochitina multiramosa
|
Algeria |
Gothlandian |
|
Clathrochitina |
Clathrochitina saharica
|
Algeria |
Middle Llandoverian |
Late Llandoverian |