Cyclonema Hall 1852 (snail)

Gastropoda - Euomphalina - Platyceratidae

Alternative spellings: Euomphalus (Cyclonema), Pleurotomaria (Cyclonema), Turbo (Cyclonema)

Synonyms: Cyclonema (Cyclonemina) Perner 1903, Cyclonemina Perner 1903

Full reference: J. Hall. 1852. Containing descriptions of the organic remains of the lower middle division of the New York system. Paleontology of New York 2:1-362

Parent taxon: Platyceratidae according to P. Bouchet et al. 2005

See also Hall and Whitfield 1872, Herrick 1888, Knight et al. 1960, Paeckelmann 1913, Perner 1907, Sepkoski 2002, Ulrich and Scofield 1897 and Wagner 2020

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

Subtaxa: Cyclonema (Cyclonema) Cyclonema (Dyeria) Cyclonema aiens Cyclonema ampullosum Cyclonema ananas Cyclonema apicatum Cyclonema bellulum Cyclonema bilix Cyclonema bitauniensis Cyclonema boreale Cyclonema canaliculata Cyclonema cancellatum Cyclonema cives Cyclonema compar Cyclonema composita Cyclonema consepultum Cyclonema convergens Cyclonema crebristria Cyclonema cushingi Cyclonema daytonensis Cyclonema decora Cyclonema delicatula Cyclonema derelictum Cyclonema dowlingii Cyclonema fasciata Cyclonema filicinctus Cyclonema fluctuatum Cyclonema formosum Cyclonema gracile Cyclonema guilleri Cyclonema gyronemoides Cyclonema hageri Cyclonema hallianum Cyclonema humerosum Cyclonema inaequistriatum Cyclonema inflatum Cyclonema infrequens Cyclonema inopinata Cyclonema intermedium Cyclonema karlsteinensis Cyclonema laudabile Cyclonema lepidula Cyclonema leptonotum Cyclonema limatum Cyclonema lineatum Cyclonema lydiamariarum Cyclonema margaritoides Cyclonema marylandense Cyclonema mediale Cyclonema minuta Cyclonema modestum Cyclonema montrealense Cyclonema niagarensis Cyclonema nodulosum Cyclonema obsolescens Cyclonema parvimedium Cyclonema percarinata Cyclonema percingulatum Cyclonema praecipitum Cyclonema rupestre Cyclonema servus Cyclonema simulans Cyclonema statshiunaica Cyclonema sublaeve Cyclonema subundata Cyclonema sulphuriferum Cyclonema tenuissimum Cyclonema textilis Cyclonema thalia Cyclonema timida Cyclonema timidum Cyclonema transversum Cyclonema trepidans Cyclonema varians Cyclonema varicosum Cyclonema varispirum Cyclonema ventricosa

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Type: Pleurotomaria bilix

Ecology: facultatively mobile epifaunal coprophage-deposit feeder

Distribution:

• Jurassic of Madagascar (1 collection)

• Permian of Indonesia (1)

• Devonian of the Czech Republic (1), Italy (1), United States (4: Alaska, Indiana, Pennsylvania)

• Silurian of Canada (12: Northwest Territories, Nova Scotia, Ontario, Quebec, Québec), China (2), the Czech Republic (11), Estonia (3), Greenland (2), Lithuania (2), Norway (2), the Russian Federation (1), Sweden (4), the United Kingdom (1), United States (33: Alaska, California, Illinois, Indiana, Iowa, Missouri, New York, Ohio)

• Ordovician of Canada (26: Manitoba, Ontario, Quebec, Québec), China (2), Estonia (6), 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)

• Chazy of United States (2: New York)

• Llandeilo of China (1)

Total: 327 collections including 360 occurrences

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Specimen images are retrieved through the ePANDDA API.


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