Belonechitina |
Belonechitina robusta
|
Nd |
Late Ordovician |
|
Belonechitina |
Belonechitina wesenbergensis
|
Nd |
Early Ordovician |
Late Ordovician |
Cladochitina |
Cladochitina biconstricta
|
Nd |
Devonian |
|
Conochitina |
Conochitina aculeata
|
Nd |
Late Ordovician |
|
Conochitina |
Conochitina communis
|
Nd |
Silurian |
|
Conochitina |
Conochitina conulus
|
Nd |
Early Ordovician |
|
Conochitina |
Conochitina elegans
|
Nd |
Late Ordovician |
Silurian |
Conochitina |
Conochitina minnesotensis
|
Nd |
Early Ordovician |
Late Ordovician |
Conochitina |
Conochitina primitiva
|
Nd |
Early Ordovician |
|
Conochitina |
Conochitina proboscifera
|
Nd |
Late Ordovician |
Silurian |
Conochitina |
Conochitina simplex
|
Nd |
Early Ordovician |
|
Conochitina |
Conochitina tuba
|
Nd |
Silurian |
|
Conochitina |
Conochitina turris
|
Nd |
Late Ordovician |
|
Coronochitina |
Coronochitina coronata
|
Nd |
Late Ordovician |
|
Cyathochitina |
Cyathochitina calix
|
Nd |
Early Ordovician |
|
Cyathochitina |
Cyathochitina campanulaeformis
|
Nd |
Early Ordovician |
|
Cyathochitina |
Cyathochitina kuckersiana
|
Nd |
Late Ordovician |
|