Genus Genus a

Species total:
8
Age range:
435 - 163.5 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Genus a Gedinnian Bathonian
Genus a duna.,1972 Norian Norian
Genus a sp. Duna.,1972 Late Triassic Late Triassic
Genus A sp.1 Llandoverian Ludlovian
Genus a sp.A Gedinnian Gedinnian
Genus A sp.A Bint & Mars.,1994 Nd Nd
Genus A sp.A Stee.et al,2000 Rhuddanian Rhuddanian
Genus A sp.B Rhuddanian Rhuddanian