Name:
Zemistephanus.
Phonetic: Zem-e-stef-ah-nus.
Named By: McLearn - 1927.
Classification: Mollusca, Cephalopoda,
Ammonoidea, Ammonitida, Stephanocerataceae, Otoitidae.
Species: Z. armatus, Z. corona.
Diet: Carnivore.
Size: Unavailable.
Known locations: Australia - Newmarracarra
Limestone Formation. Possible also North America.
Time period: Bajocian of the Jurassic.
Fossil representation: Many individuals represented
by fossilised shells.
Zemistephanus is a genus of ammonite that lived in the Mid Jurassic seas.
Further reading
- Treatise on Invertebrate Paleontology, Part L, Mollusca 4,
Cephalopoda - Ammonoidea 1-490. - W. J. Arkell, W.
M. Furnish, B. Kummel, A. K. Miller, R. C. Moore,
O. H. Schindewolf, P. C. Sylvester-Bradley & C.
W. Wright - 1957.
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