Tarrantoceras flexicostatum Cobban 1988 (ammonite)

Cephalopoda - Ammonitida - Acanthoceratidae

Full reference: W. A. Cobban. 1988. Tarrantoceras Stephenson and related ammonoid genera from Cenomanian (Upper Cretaceous) rocks in Texas and the western interior of the United States. United States Geological Survey Professional Paper 1473:1-30

Belongs to Tarrantoceras according to W. A. Cobban 1988

Sister taxa: Tarrantoceras (Sumitomoceras), Tarrantoceras (Tarrantoceras), Tarrantoceras cuspidum, Tarrantoceras exile

Type specimen: USNM 400773, a shell. Its type locality is USGS Mesozoic D21850. Greybull, which is in a Cenomanian marine sandstone in the Cody Shale Formation of Wyoming.

Ecology: fast-moving nektonic carnivore

Distribution:

• Cretaceous of United States (3: South Dakota, Wyoming collections)

Total: 3 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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