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Tetraspidoceras
Taxonomy
Tetraspidoceras is a genus. It is not extant.
It was assigned to Ammonoidea by Sepkoski (2002); to Liparoceratidae by Geczy and Meister (2007); and to Coeloceratidae by Howarth (2013).
It was assigned to Ammonoidea by Sepkoski (2002); to Liparoceratidae by Geczy and Meister (2007); and to Coeloceratidae by Howarth (2013).
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Tetraspidoceras Sepkoski |
| 2007 | Tetraspidoceras Geczy and Meister |
| 2013 | Tetraspidoceras Howarth p. 47 |
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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. †Tetraspidoceras
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†Tetraspidoceras loczyi Géczy 1998
†Tetraspidoceras piobbicoensis Geczy and Meister 2007
†Tetraspidoceras quadrarmatum Dumortier 1867
†Tetraspidoceras reynesi Reynes 1879
†Tetraspidoceras rhodanicum Buckman 1918
†Tetraspidoceras westfieldense Edmunds et al. 2003
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 21.3 | 18.0 | 24.0 | 22.3 | 3.09 | |
| shell diameter | 3 | 60.8 | 50.0 | 72.0 | 62.5 | 11.0 | |
| shell inflation | 3 | 25.9 | 19.0 | 34.0 | 26.8 | 7.50 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Oxynotum - Raricostatum | Hungary (Veszprém Megye) | T. reynesi (81576) | |
| Raricostatum | United Kingdom (England) | T. westfieldense (33363) | |
| Sinemurian | Ukraine (Crimea) | T. sp. (230736) | |
| Late/Upper Sinemurian - Early/Lower Pliensbachian | Canada (British Columbia) | T. recognitum (53589) | |
| Late/Upper Sinemurian - Early/Lower Pliensbachian | Hungary | T. reynesi (78691) | |
| Raricostatum - Ibex | Hungary | T. piobbicoensis (78689) | |
| Jamesoni | Hungary | T. loczyi (108314) | |
| Jamesoni | United Kingdom (Dorset) | T. sp. (159830 159834 159853 159854 159855) | |
| Jamesoni | United Kingdom (England) | T. quadrarmatum (33361 33362) | |
| Jamesoni - Ibex | Tunisia | T. rhodanicum (170507) T. sp. (170514) |