Cephalopoda - Ammonitida - Acanthoceratidae

Alternative spelling: Shuparoceras

Parent taxon: Romaniceras according to C. W. Wright et al. 1996

See also Barroso-Barcenilla 2007 and Cooper 1978

Sister taxa: Romaniceras (Neomphaloceras), Romaniceras (Obiraceras), Romaniceras (Romaniceras), Romaniceras (Yubariceras), Romaniceras deverioides, Romaniceras pseudodeverianum, Romaniceras uchauxiense

Subtaxa: none

Ecology: fast-moving nektonic carnivore

Distribution: found only at USGS Mesozoic D10753, Chispa Summit (Cretaceous of Texas)

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