†suborder Orthochoanites Martin 1904 (nautiloid)
Full reference: G. C. Martin. 1904. Cephalopoda. Maryland Geological Survey Miocene(Text):130
Parent taxon: Nautiloidea according to G. C. Martin 1904
Sister taxa: Actinoceratina, Ascoceratina, Basslerocerida, Discosorina, Endoceratina, Eudoceratidae, Gyroceras, Michelinoceratina, Nautilida, Oncoceratina, Sueroceras, Tarphyceratina
Subtaxa: Ophioceratidae
Ecology: fast-moving nektonic carnivore
Distribution: there are no occurrences of Orthochoanites in the database