Genus Orthosphaeridium

Species total:
31
Age range:
570 - 414 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Orthosphaeridium quadrinatum Arenigian Onnian
Orthosphaeridium rectangulare Early Paleozoic Early Gothlandian
Orthosphaeridium sp Late Cambrian Wenlockian
Orthosphaeridium sp. Down.,1973 Ashgillian Ashgillian
Orthosphaeridium sp. Uute.& Tynn.,1991 Early Caradocian Middle Caradocian
Orthosphaeridium sp.4 Caradocian Caradocian
Orthosphaeridium sp.6 Idavere Idavere
Orthosphaeridium sp.A Yin,1995 Arenigian Early Llanvirnian
Orthosphaeridium sp.Yin,1995 Arenigian Early Llanvirnian
Orthosphaeridium ternatum Early Paleozoic Ashgillian
Orthosphaeridium trabeculatum Early Paleozoic Llandeilian
Orthosphaeridium transitorium Late Llanvirnian Late Llanvirnian
Orthosphaeridium triangulare Late Cambrian Late Cambrian
Orthosphaeridium vibrissiferum Ordovician Ashgillian