†subfamily Spitidiscinae Vermeulen and Thieuloy 1999 (ammonite)
Cephalopoda - Ammonitida - Holcodiscidae
Parent taxon: Holcodiscidae according to P. F. Rawson and M. B. Aguirre-Urreta 2012
See also Aguirre-Urreta and Rawson 2003 and Klein 2005
Sister taxa: Almohadites, Astieridiscus, Gymnoplites, Holcodiscus, Jeanthieuloyites, Jeanthieuolyites, Metahoplites, Parasaynoceras, Pseudovaldedorsella, Taveraidiscus
Subtaxa: Holcoptychites Spitidiscus
Type: Spitidiscus
Ecology: fast-moving nektonic carnivore
Distribution: