Genus Orthosphaeridium

Species total:
31
Age range:
570 - 414 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Orthosphaeridium Early Ordovician Ashgillian
Orthosphaeridium abbreviatum Late Llanvirnian Late Llanvirnian
Orthosphaeridium bispinosum Arenigian Early Ashgillian
Orthosphaeridium chondrodora Cambrian Ashgillian
Orthosphaeridium clavum Early Paleozoic Early Paleozoic
Orthosphaeridium densigranosum Ordovician Llandoverian
Orthosphaeridium densiverrucosum Ordovician Llandoverian
Orthosphaeridium extensum Late Cambrian Late Cambrian
Orthosphaeridium gaspesianum Caradocian Caradocian
Orthosphaeridium inflatum Middle Ordovician Ashgillian
Orthosphaeridium insculptum Ordovician Rhuddanian
Orthosphaeridium latispinosum Late Llandeilian Middle Caradocian
Orthosphaeridium macroceros Early Paleozoic Early Paleozoic
Orthosphaeridium occultatum Late Llanvirnian Late Llanvirnian
Orthosphaeridium octospinosum Early Ordovician Late Ordovician
Orthosphaeridium procerum Llanvirnian Llanvirnian
Orthosphaeridium quadricorne Late Llanvirnian Late Llanvirnian