Cephalopoda - Ammonitida - Perisphinctidae

Parent taxon: Subdichotomoceras according to M. S. Mesezhnikov 1984

Sister taxa: Subdichotomoceras filiplex, Subdichotomoceras inversum, Subdichotomoceras latissimum

Subtaxa: Subdichotomoceras (Sphinctoceras) subcrassum

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Ecology: fast-moving nektonic carnivore

Distribution: found only at Kheta River, outcrop 12 (Gavrilino Ulovo), Khatanga Basin (Jurassic of Russian Federation)

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