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Metoicoceras muelleri Cobban 1953 (ammonite)

Cephalopoda - Ammonitida - Acanthoceratidae

PaleoDB taxon number: 318801

Full reference: W. A. Cobban. 1953. Cenomanian ammonite fauna from the Mosby Sandstone of central Montana. United States Geological Survey Professional Paper 243-D:45-55

Belongs to Metoicoceras according to F. Barroso-Barcenilla 2004

Sister taxa: Metoicoceras bergquisti, Metoicoceras geslinianum, Metoicoceras gibbosum, Metoicoceras latoventer, Metoicoceras mosbyense, Metoicoceras praecox, Metoicoceras swallovi

Type specimen: USNM 108321, a shell

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell width 42.5, shell diameter 137.0