Home
Help
Print...
TaxNo: 2076Tornoceras? ohioense
Suborder: Tornoceratina
Superfamily: Tornoceratoidea
Family: Tornoceratidae
Subfamily: Tornoceratinae
Genus: Tornoceras?
Species: ohioense
Qualifier: sn
Author: Hall 1872,p.200
Valid: Tornoceras ? whitfieldi Miller,1932 [TAX1535]
Lower Boundary: australis--kockelianus Zone [04,80], 393.8 million years
Upper Boundary: MD2A--MD2B: undul.--molarium Z. [13,00], 390.6 million years