Perilytoceras

Perilytoceras is a genus of ammonoid cephalopods belonging to the family Lytoceratidae.[1]

Perilytoceras
Temporal range:
Fossil shell of Perilytoceras species from Tulear (Madagascar)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Family: Lytoceratidae
Subfamily: Megalytoceratinae
Genus: Perilytoceras
Rulleau, 1997

These fast-moving nektonic carnivores lived in the Toarcian age (from 182.7 to 174.1 million years ago). Shells could reach a diameter of 20–25 centimetres (7.9–9.8 in).[2]

References


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