05331 - Top Beautiful 2.24 Inch Orthoceras Devonian Cephalopod
05331 - Top Beautiful 2.24 Inch Orthoceras Devonian Cephalopod 05331 - Top Beautiful 2.24 Inch Orthoceras Devonian Cephalopod 05331 - Top Beautiful 2.24 Inch Orthoceras Devonian Cephalopod 05331 - Top Beautiful 2.24 Inch Orthoceras Devonian Cephalopod

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05331 - Top Beautiful 2.24 Inch Orthoceras Devonian Cephalopod

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† Orthoceras (Breynius, 1832)
Devonian (~400 Million Years)
South Morocco
Anti Atlas Region (Paleozoic Basement)
56.8 mm   •    in
28 g   •    oz
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 Orthoceras, Breynius 1832 (mollusk)
Cephalopoda - Orthocerida - Orthoceratidae

PaleoDB taxon number: 12557

Synonym: Orthoceros Brünnich 1771 [objective synonym] (taxon 144578)

Parent taxon: Orthoceratidae according to D. H. Evans 1994

See also Münster 1841, Sepkoski 2002, Sweet 1964 and Teichert et al. 1964

Sister taxa: Chebbioceras, Infundibuloceras, Kopaninoceras, Merocycloceras, Michelinoceras, Orthocycloceras, Palorthoceras, Pleurorthoceras, Pojetoceras, Prohypogeophis, Prohypogeophis tunariensis, Pseudospyroceras, Striatocycloceras, Theoceras, Tibichoanoceras, Trematoceras, Oxfordoceras, Copiceras, Ogygoceras

Subtaxa: Orthoceras annulata, Orthoceras bisignatum, Orthoceras blakei, Orthoceras burgense, Orthoceras decrescens, Orthoceras dominans, Orthoceras elegantulum, Orthoceras expansum, Orthoceras fluminense, Orthoceras geinitzi, Orthoceras gradatum, Orthoceras hulli, Orthoceras lentum, Orthoceras lepton, Orthoceras luhai, Orthoceras modestum, Orthoceras mojsisovicsi, Orthoceras multilabiatum, Orthoceras oehlerti, Orthoceras orientale, Orthoceras progressum, Orthoceras punjabiense, Orthoceras rachidium, Orthoceras shastense, Orthoceras siculum, Orthoceras spissiseptum, Orthoceras submoniliforme, Orthoceras subtriangulare, Orthoceras vagum, Orthoceras vesiculosum, Orthoceras waageni, Orthoceratites, Orthoceros regularis

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Ecology: nektonic carnivore

Environments: marine (66 collections), carbonate (36), offshore (26), shallow subtidal (14), deep subtidal shelf (12), reef, buildup or bioherm (11), transition zone/lower shoreface (10), coastal (6), offshore shelf (6), deep subtidal (3), offshore (3), shoreface (3), peritidal (3), offshore ramp (3), sand shoal (2), (1), perireef or subreef (1), open shallow subtidal (1), slope (1)

Age range: 471.8 to 205.6 Ma


• Triassic of Hungary (1 collection), United States (6: California, Idaho, Nevada)

• Permian of Australia (1), Azerbaijan (1), China (1), East Timor (1), India (1), Indonesia (2), Italy (4), Madagascar (1), Pakistan (8)

• Chesterian of United States (1: Oklahoma)

• Carboniferous of the Czech Republic (1), the United Kingdom (14), United States (6: Alaska, Iowa, Kentucky, Ohio)

• Mississippian of United States (1: Alaska)

• Devonian of Algeria (1), Canada (1: New Brunswick), Colombia (1), the Czech Republic (3), Germany (7), Italy (2), Morocco (1), New Zealand (1), Poland (6), South Africa (6), the United Kingdom (3), United States (89: Alaska, Colorado, Missouri, Nevada, New York, Ohio, Pennsylvania)

• Silurian to Devonian of Algeria (2), Austria (1), Italy (1)

• Silurian of Algeria (2), Austria (2), Brazil (1), Canada (1: Nova Scotia), China (1), the Czech Republic (1), India (1), Italy (6), Mauritania (1), Morocco (19), Poland (2), the Russian Federation (1), Sweden (11), the United Kingdom (19), United States (35: Alaska, Maryland, New York, West Virginia)

• Ordovician of Argentina (1), Australia (1), Belarus (1), Belgium (1), Bolivia (2), Canada (15: Manitoba, Newfoundland, Northwest Territories, Nunavut, Ontario, Quebec), China (16), the Czech Republic (7), Estonia (5), France (1), Ireland (1), Lithuania (1), Norway (3), Spain (1), Sweden (5), the United Kingdom (12), United States (77: Georgia, Illinois, Iowa, Wisconsin, Michigan, Minnesota, New York, Ohio, Tennessee, Virginia)

• Llandeilo of China (4), Ireland (1)

• Chazy of Canada (4: Ontario, Quebec), United States (9: New York, Vermont)

• Dawan of China (1)

• Arenig of Bolivia (1), China (1)


Source: Orthoceras: Fossilworks - Paleobiology Database

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