Cyathochitina |
Cyathochitina pirum
|
China(Sinkiang Uighur) |
Late Ordovician |
|
Cyathochitina |
Cyathochitina primitiva
|
China(Kiangsu) |
Late Tremadocian |
Arenigian |
Cyathochitina |
Cyathochitina protocalix
|
China(Kiangsu) |
Late Tremadocian |
Arenigian |
Cyathochitina |
Cyathochitina sp
|
China(Kiangsu) |
Ordovician |
|
Desmochitina |
Desmochitina minor
|
China(Sinkiang Uighur) |
Late Ordovician |
|
Eisenackitina |
Eisenackitina cyrtopleura
|
China(Kiangsu) |
Homerian |
Ludfordian |
Eisenackitina |
Eisenackitina daozhenensis
|
China(Kiangsu) |
Telychian |
Telychian |
Eisenackitina |
Eisenackitina lagenicula
|
China(Kiangsu) |
Ludfordian |
|
Eisenackitina |
Eisenackitina rimosa
|
China(Kiangsu) |
Gorstian |
Ludfordian |
Eisenackitina |
Eisenackitina tanvillensis
|
China(Kiangsu) |
Late Tremadocian |
Arenigian |
Eisenackitina |
Eisenackitina tongziensis
|
China(Kiangsu) |
Late Tremadocian |
Arenigian |
Eisenackitina |
Eisenackitina venustus
|
China(Kiangsu) |
Sheinwoodian |
Gorstian |
Eremochitina |
Eremochitina baculata
|
China(Kiangsu) |
Late Tremadocian |
Arenigian |
Eremochitina |
Eremochitina brevis
|
China(Kiangsu) |
Late Tremadocian |
Arenigian |
Euconochitina |
Euconochitina actonica
|
China(Sinkiang Uighur) |
Late Ordovician |
|
Euconochitina |
Euconochitina vulgaris
|
China(Kiangsu) |
Late Tremadocian |
Arenigian |
Fungochitina |
Fungochitina kosovensis
|
China(Kiangsu) |
Ludfordian |
Pridolian |