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Metaderoceras spirale Venturi et al. 2007 (ammonite)

Cephalopoda - Ammonitida - Eoderoceratidae

PaleoDB taxon number: 273066

Alternative combination: Spiniclaviceras spirale

Full reference: F. Venturi, C. Nannarone, and M. Bilotta. 2007. Ammonites from the early Pliensbachian of the Furlo Pass (Marche, Italy): biostratigraphic and paleobiogeographic implications. Bollettino della SocietÓ Paleontologica Italiana 46:1-31

Belongs to Metaderoceras according to M. K. Howarth 2013

Sister taxa: Metaderoceras apertum, Metaderoceras brutum, Metaderoceras gemmellaroi, Metaderoceras mouterdei, Metaderoceras muticum, Metaderoceras pseudomuticum, Metaderoceras talkeetnaense, Metaderoceras venarense, Metaderoceras venustulum

Type specimen: USP Fu3Sp01. Its type locality is Fu3a, Furlo Pass (Grilli Quarry), which is in a Jamesoni slope floatstone in Italy.

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell width 3.33, shell diameter 10.8