Ancyrochitina |
Ancyrochitina laevaensis
|
Gondwanaland |
Early Rhuddanian |
|
Ancyrochitina |
Ancyrochitina laevaensis
|
Baltic |
Early Rhuddanian |
|
Ancyrochitina |
Ancyrochitina laevaensis
|
Gondwanaland |
Early Rhuddanian |
|
Ancyrochitina |
Ancyrochitina langei
|
Worldwide |
Late Eifelian |
Early Frasnian |
Ancyrochitina |
Ancyrochitina lemniscata
|
Baltic |
Late Pridolian |
|
Ancyrochitina |
Ancyrochitina lezaisensis
|
Gondwanaland |
Emsian |
|
Ancyrochitina |
Ancyrochitina longispina
|
Baltic |
Late Telychian |
Early Sheinwoodian |
Ancyrochitina |
Ancyrochitina longispina
|
Gondwanaland |
Late Telychian |
Early Sheinwoodian |
Ancyrochitina |
Ancyrochitina longispina
|
Sweden(Gotland) |
Late Llandoverian |
|
Ancyrochitina |
Ancyrochitina merga
|
Gondwanaland |
Cautleyan |
Rawtheyan |
Ancyrochitina |
Ancyrochitina morzadeci
|
Gondwanaland |
Late Emsian |
Eifelian |
Ancyrochitina |
Ancyrochitina parisi
|
Nd |
Nd |
|
Ancyrochitina |
Ancyrochitina pedavis
|
Baltic |
Early Pridolian |
Late Ludfordian |
Ancyrochitina |
Ancyrochitina pedavis
|
Gondwanaland |
Early Pridolian |
Late Ludfordian |
Ancyrochitina |
Ancyrochitina regularis
|
Gondwanaland |
Pridolian |
|
Ancyrochitina |
Ancyrochitina taouratinensis
|
Nd |
Nd |
|
Ancyrochitina |
Ancyrochitina tomentosa
|
Nd |
Nd |
|