†family Platyceratidae Hall 1859 (snail)

Gastropoda - Euomphalina - Platyceratidae

Synonyms: Cyclonematidae Fischer 1885, Palaeocapulidae Grabau 1936, Platyostomatidae Miller 1889, Strophostylidae Grabau and Shimer 1909

Full reference: J. Hall. 1859. Contributions to the palaeontology of New York: being some of the results of investigations during the years 1855, 1856, 1857 and 1858. Annual report of the Regents of the University of the State of New York on the State Cabinet of Natural History and the Historical and Antiquarian collection annexed thereto 12:8-110

Parent taxon: Platyceratacea according to P. J. Wagner 2023

See also Bouchet et al. 2005, Golikov and Starobogatov 1975, Horný and Henry 1999, Jeffery 2003, Knight et al. 1960 and Lindström and Peel 2003

Sister taxa: Craspedostomatidae, Cyclonemidae, Nerrhenidae

Subtaxa: Barynema Basiplanus Brokenriveria Cancellator Cancelloplatyceras Compsonema Crossoceras Cyclonema Devononema Dyeria Euthyrhachis Globulonema Himantonia Lotzia Naticellina Naticonema Naticonoda Natirhenia Nonorios Obscuropsis Paffrathia Palaeocapulus Platyceras Platyostoma Platyschisma Ploconema Praenatica Pseudoplatyceras Pseudorthonychiinae Ptychospirina Radvanospira Rhabdocantha Spinyplatyceras Spiranodus Spironemella Strophostylus Strotostoma Stuckenbergispira Tachloconcha

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Type: Platyceras

Ecology: passively mobile epifaunal coprophage

Distribution:

• Oligocene of Italy (1 collection)

• Jurassic of Germany (1), Madagascar (1)

• Triassic of United States (2: Alaska)

• Permian of Australia (15), China (5), Indonesia (4), Iran (1), Laos (1), Nepal (1), New Zealand (5), Pakistan (8), the Russian Federation (11), Svalbard and Jan Mayen (1), United States (12: Alaska, Nevada, Texas, Wyoming)

• Carboniferous of Australia (7), Bosnia and Herzegovina (1), Canada (1: Northwest Territories), China (2), Ireland (4), Mexico (1), Poland (2), the Russian Federation (5), Spain (1), the United Kingdom (4), United States (163: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Missouri, Montana, Nebraska, Nevada, New Mexico, New York, Ohio, Oklahoma, Tennessee, Wyoming)

• Givetian of France (4)

• Devonian of Afghanistan (2), Australia (14), Austria (7), Bolivia (1), Brazil (7), Canada (25: Manitoba, New Brunswick, Northwest Territories, Nunavut, Ontario, Quebec), China (3), Colombia (3), the Czech Republic (11), France (1), Germany (19), Italy (4), Kazakhstan (2), Libya (2), Morocco (7), South Africa (6), Spain (1), the United Kingdom (6), United States (220: Alaska, California, Colorado, Illinois, Indiana, Iowa, Maine, Maryland, Michigan, Missouri, Montana, Nevada, New York, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia), Venezuela (3)

• Jaani of Estonia (1)

• Niagaran of Canada (1: Québec), United States (1: Ohio)

• Silurian to Devonian of Argentina (1), Austria (1), the Czech Republic (1)

• Silurian of Argentina (1), Australia (1), Austria (1), Canada (28: Northwest Territories, Nova Scotia, Nunavut, Ontario, Quebec, Québec), China (5), the Czech Republic (22), Estonia (3), Germany (1), Greenland (4), Italy (2), Lithuania (2), Norway (3), the Russian Federation (4), Sweden (21), the United Kingdom (4), United States (119: Alaska, California, Illinois, Indiana, Iowa, Maryland, Missouri, New York, Ohio, Oklahoma, Tennessee, West Virginia, Wisconsin)

• Chazyan of United States (2: New York)

• Ordovician of Canada (26: Manitoba, Ontario, Quebec, Québec), China (3), the Czech Republic (1), Estonia (8), Iran (2), Italy (1), Morocco (1), Norway (7), Sweden (3), the United Kingdom (12), United States (187: California, Illinois, Illinois, Iowa, Indiana, Iowa, Kentucky, Michigan, Minnesota, Missouri, New York, Ohio, Oklahoma, Tennessee)

Total: 1088 collections including 1487 occurrences

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