Genus Ancyrochitina

Species total:
231
Age range:
570 - 115.67 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Ancyrochitina biconstricta Early Devonian Emsian
Ancyrochitina bispinosa Famennian Famennian
Ancyrochitina brevicollis Llandoverian Telychian
Ancyrochitina brevicornuta Givetian Givetian
Ancyrochitina brevis Late Wenlockian Early Ludlovian
Ancyrochitina brevispinosa Ordovician Silurian
Ancyrochitina bulbispina Early Paleozoic Early Paleozoic
Ancyrochitina bullispina Late Pridolian Siegenian
Ancyrochitina bulmani Early Caradocian Middle Caradocian
Ancyrochitina bulmanii Nd Nd
Ancyrochitina bulmanni Llandeilian Llandeilian
Ancyrochitina cantabrica Early Lochkovian Middle Lochkovian
Ancyrochitina capillata Eifelian Frasnian
Ancyrochitina cervicornis Early Ordovician Late Gothlandian
Ancyrochitina clathrospinosa Ordovician Silurian
Ancyrochitina clavata Late Ordovician Early Gothlandian
Ancyrochitina columella Early Devonian Early Devonian