†family Polymeridae Evans 2005 (mollusk)
Cephalopoda - Dissidocerida - Polymeridae
Full reference: D. H. Evans. 2005. The Lower and Middle Ordovician cephalopod faunas of England and Wales. Monograph of the Palaeontographical Society 623:1-81
Parent taxon: Dissidocerida according to B. Kröger and B. Lefebvre 2012
Sister taxa: Bajkaloceratidae, Geisonoceratidae, Intejoceratidae, Rangeroceratidae, Troedssonellidae
Subtaxa: Polymeres
Ecology: fast-moving nektonic carnivore
Distribution:
• Ordovician of Morocco (3 collections), the United Kingdom (4)
Total: 7 collections each including a single occurrence