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Archoceras
Taxonomy
Archoceras was named by Schindewolf (1937) [Sepkoski's age data: D Give-u D Fame-l Sepkoski's reference number: 1042]. It is not extant. Its type is Archoceras paeckelmanni. It is the type genus of Archoceratidae.
It was assigned to Anarcestida by Sepkoski (2002); and to Archoceratinae by Korn and Klug (2002), Korn (2006).
It was assigned to Anarcestida by Sepkoski (2002); and to Archoceratinae by Korn and Klug (2002), Korn (2006).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1937 | Archoceras Schindewolf |
| 2002 | Archoceras Korn and Klug p. 114 |
| 2002 | Archoceras Sepkoski |
| 2006 | Archoceras Korn |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Archoceras Schindewolf 1937
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†Archoceras angulatum Donovan 1943
†Archoceras paeckelmanni Schindewolf 1938
†Archoceras schlosseri Gallwitz 1938
†Archoceras ussheri House 1963
†Archoceras varicosum Drevermann 1901
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Invalid names: Gephyroceras bickense Wedekind 1913 [synonym]
†Archoceras wabashense Kindle 1901
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 10 | 2.38 | 1.40 | 3.30 | 2.40 | 0.610 | |
| shell diameter | 10 | 9.33 | 4.70 | 13.2 | 9.90 | 2.57 | |
| shell inflation | 10 | 5.14 | 2.70 | 7.00 | 5.55 | 1.31 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Late/Upper Frasnian to the top of the Early/Lower Famennian or 375.20000 to 368.50000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Devonian | United Kingdom (England) | A. sp. (640) | |
| Late/Upper Frasnian | United Kingdom (England) | A. varicosum, A. ussheri, A. angulatum (135957) | |
| Late/Upper Frasnian | France (Alsace) | A. sp., A. varicosum, A. angulatum (38675) | |
| Late/Upper Frasnian | Germany | Euomphalus varicosus (235211) | |
| Late/Upper Frasnian | Poland | A. varicosum (135696) Manticoceras bickense (170864) | |
| Late/Upper Frasnian | Germany (Nordrhein-Westfalen) | A. sp. (220479) A. sp., A. varicosum (220480 220483) A. varicosum (220476 220481) | |
| Late/Upper Frasnian | USA (New York) | A. sp. (136748) | |
| Early/Lower Famennian | Germany | A. paeckelmanni (187047 187048) |