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Idiohamites bispinosus Kennedy and Cobban 1990 (ammonite)

Cephalopoda - Ammonitida - Anisoceratidae

PaleoDB taxon number: 333435

Full reference: W. J. Kennedy and W. A. Cobban. 1990. Cenomanian micromorphic ammonites from the western interior of the USA. Palaeontology 33:379-422

Belongs to Idiohamites according to W. J. Kennedy and W. A. Cobban 1990

Sister taxa: Idiohamites elegantulus, Idiohamites fremonti, Idiohamites pulchellus, Idiohamites pygmaeus, Idiohamites spiniger, Idiohamites subspiniger, Idiohamites tuberculatus

Type specimen: USNM 423792, a shell. Its type locality is USGS Mesozoic 22871, Alzada, which is in a Cenomanian marine shale in Montana.

Ecology: fast-moving nektonic carnivore