Gastropoda - Cyrtoneritida - Orthonychiidae
Alternative spellings: Capulus (Orthonychia), Platyceras (Orthonychia)
Synonyms: Geronticeras Grabau 1936, Igoceras Hall 1859
Full reference: J. Hall. 1843. Geology of New York. Part IV, comprising the survey of the fourth geological district. Natural History of New York 4:1-683
Parent taxon: Orthonychiidae according to P. Bouchet et al. 2005
See also Bandel and Frýda 1999, Knight et al. 1960, Sepkoski 2002 and Whidborne 1896
Sister taxa: none
Subtaxa: Orthonychia aculeata Orthonychia acuta Orthonychia baldwini Orthonychia belli Orthonychia bowsheri Orthonychia campanulata Orthonychia chesterense Orthonychia concavum Orthonychia conicum Orthonychia conoidea Orthonychia cornuforme Orthonychia costata Orthonychia daschi Orthonychia dentalium Orthonychia dubium Orthonychia egorovi Orthonychia elegans Orthonychia enorme Orthonychia extensum Orthonychia gracilis Orthonychia herzeri Orthonychia inequilaterale Orthonychia infabricatus Orthonychia jeffersonensis Orthonychia korotkovae Orthonychia marblecreekensis Orthonychia mayesense Orthonychia obliquesulcata Orthonychia pajerensis Orthonychia parva Orthonychia parvulum Orthonychia pentalvea Orthonychia perplexum Orthonychia prosseri Orthonychia protei Orthonychia puellaris Orthonychia quadrangularis Orthonychia rostratus Orthonychia rotunda Orthonychia sciotoensis Orthonychia sileni Orthonychia spinigerum Orthonychia subrectum Orthonychia talon Orthonychia tortuosa Orthonychia trigonale Orthonychia trirotundolobatum Orthonychia undulatum Orthonychia unguiculata Orthonychia ungula Orthonychia variablis Orthonychia vishtytica Orthonychia vomerium Orthonychia wanneri Orthonychia waverlyensis Platyceras (Orthonychia) aroostooki Platyceras (Orthonychia) compressa Platyceras (Orthonychia) compressum Platyceras (Orthonychia) conoideum Platyceras (Orthonychia) cornutum Platyceras (Orthonychia) ivanovi Platyceras (Orthonychia) occidens Platyceras (Orthonychia) ungula
Type: Orthonychia subrectum
Ecology: epifaunal
Distribution:
• Permian of Cambodia (3 collections), Laos (1), Mexico (1), Peru (5), the Russian Federation (1), Thailand (1), United States (28: New Mexico, Texas)
• Carboniferous of Canada (1: Alberta), Mexico (1), Poland (1), the Russian Federation (2), the United Kingdom (1), United States (53: Alabama, Alaska, Arizona, Arkansas, California, Illinois, Iowa, Kentucky, Missouri, Nevada, New Mexico, Ohio, Pennsylvania)
• Devonian of Australia (2), Austria (7), Canada (9: Northwest Territories, Quebec), the Czech Republic (2), France (2), Italy (2), Morocco (1), the United Kingdom (4), United States (14: Indiana, Maine, Maryland, Michigan, Montana, Nevada, New York, West Virginia)
• Silurian to Devonian of the Czech Republic (1)
• Silurian of Canada (1: Nunavut), the Czech Republic (7), Norway (1), Sweden (4)
Total: 156 collections including 186 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.