Grahnichitina |
Grahnichitina campaniformis
|
China(Kiangsu) |
Ludfordian |
Pridolian |
Grahnichitina |
Grahnichitina lagenomorpha
|
China(Kiangsu) |
Ludfordian |
Pridolian |
Grahnichitina |
Grahnichitina lycoperdoides
|
China(Kiangsu) |
Homerian |
Gorstian |
Grahnichitina |
Grahnichitina philipi
|
China(Kiangsu) |
Ludfordian |
|
Grahnichitina |
Grahnichitina piriformis
|
China(Kiangsu) |
Ludfordian |
Pridolian |
Grahnichitina |
Grahnichitina solida
|
China(Kiangsu) |
Sheinwoodian |
|
Grahnichitina |
Grahnichitina vesicularis
|
China(Kiangsu) |
Gorstian |
|
Heinnechitina |
Heinnechitina robusta
|
China(Kiangsu) |
Ordovician |
|
Hercochitina |
Hercochitina cristata
|
China(Kiangsu) |
Ordovician |
|
Hercochitina |
Hercochitina duplicitas
|
China(Kiangsu) |
Ordovician |
|
Hercochitina |
Hercochitina duplicitas
|
China(Kiangsu) |
Ordovician |
|
Kalochitina |
Kalochitina sp.A
sp. nov. |
China(Sinkiang Uighur) |
Late Ordovician |
|
Lagenochitina |
Lagenochitina avoidea
|
China(Kiangsu) |
Ordovician |
|
Lagenochitina |
Lagenochitina baltica
|
China(Kiangsu) |
Late Tremadocian |
Arenigian |
Lagenochitina |
Lagenochitina brevicollis
|
China(Kiangsu) |
Late Tremadocian |
Arenigian |
Lagenochitina |
Lagenochitina crassispina
|
China(Kiangsu) |
Gorstian |
Ludfordian |
Lagenochitina |
Lagenochitina destombesi
|
China(Kiangsu) |
Late Tremadocian |
Arenigian |