†Tetraspidoceras (ammonite)
Cephalopoda - Ammonitida - Coeloceratidae
PaleoDB taxon number: 15719
Parent taxon: Coeloceratidae according to M. K. Howarth 2013
Sister taxa: Andicoeloceras, Apoderoceras, Bakonyceras, Coeloceras, Coeloceratinae, Meridiceras, Miltoceras, Pimelites, Praesphaeroceras, Pseudoskirroceras, Zamaiceras
Subtaxa: Tetraspidoceras loczyi, Tetraspidoceras piobbicoensis, Tetraspidoceras quadrarmatum, Tetraspidoceras reynesi, Tetraspidoceras rhodanicum, Tetraspidoceras westfieldense
Ecology: fast-moving nektonic carnivore