Orthonychia Hall 1843

Gastropoda - Cyrtoneritimorpha - 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 cornuta 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 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) ivanovi Platyceras (Orthonychia) occidens Platyceras (Orthonychia) ungula

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Type: Orthonychia subrectum

Distribution:

• Permian of Cambodia (3 collections), Mexico (1), Peru (5), United States (28: New Mexico, Texas)

• Virgilian of United States (1: Ohio)

• Desmoinesian of United States (6: New Mexico, Ohio, Pennsylvania)

• Pennsylvanian of United States (1: Ohio)

• Chesterian of United States (8: Illinois, Kentucky, Ohio)

• Osagean of United States (2: Ohio)

• Carboniferous of Mexico (1), Poland (1), the Russian Federation (2), United States (33: Alabama, Alaska, Arizona, Arkansas, Iowa, Missouri, Nevada, New mexico, Pennsylvania)

• Mississippian of the United Kingdom (1)

• 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 (6), Norway (1), Sweden (4)

Total: 149 collections including 179 occurrences

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Specimen images are retrieved through the ePANDDA API.


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