Cephalopoda - Ammonitida - Hildoceratidae
Synonym: Polyplectinae Venturi 1981
Parent taxon: Hildoceratidae according to M. Benzaggagh et al. 2022
See also Arthur et al. 1993, Frebold 1970, Géczy and Meister 1998, Hillebrandt 2006, Howarth 1955, Howarth 2013, Jakobs 1997, Meister and Friebe 2003, Metodiev 2006, Smith and Tipper 1996, Thomson and Smith 1992 and Westermann 1969
Sister taxa: Arieticeratinae, Bouleiceratinae, Grammoceratinae, Hildoceratinae, Leukadiellinae, Mercaticeratinae, Paroniceratinae, Protogrammoceratinae, Tmetoceratinae
Subtaxa: Canavaria Cleviceras Eleganticeras Harpoceras Maconiceras Neolioceratoides Osperleioceras Ovaticeras Polyplectus Praepolyplectus Pseudolioceras Sphenarpites Taffertia Tiltoniceras
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of France (1 collection)
• Jurassic of Algeria (2), Argentina (7), Austria (3), Bulgaria (9), Canada (223: Alberta, British Columbia, Northwest Territories, Yukon), Chile (18), France (186), Germany (28), Greenland (5), Hungary (122), India (1), Indonesia (1), Iran (1), Italy (37), Japan (37), Luxembourg (2), Morocco (20), New Zealand (2), the Russian Federation (31), Slovakia (1), Somalia (1), Spain (263), Svalbard and Jan Mayen (8), Switzerland (1), Tunisia (11), Turkey (1), Ukraine (1), the United Kingdom (65), United States (55: Alaska, Nevada)
Total: 1143 collections including 1562 occurrences