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Watinoceras
Taxonomy
Watinoceras was named by Warren (1930) [Sepkoski's age data: K Turo-l]. Its type is Watinoceras reesidei.
It was assigned to Mammitinae by Cooper (1978); to Acanthoceratidae by Zaborski (1987) and Stelck et al. (2002); to Ammonoidea by Sepkoski (2002); and to Acanthoceratinae by Wright et al. (1996), Gale et al. (2005) and Ifrim and Stinnesbeck (2007).
It was assigned to Mammitinae by Cooper (1978); to Acanthoceratidae by Zaborski (1987) and Stelck et al. (2002); to Ammonoidea by Sepkoski (2002); and to Acanthoceratinae by Wright et al. (1996), Gale et al. (2005) and Ifrim and Stinnesbeck (2007).
Species
W. (Watinoceras), W. amudariense, W. coloradoense, W. depressum, W. devonense, W. jaekeli, W. odonnelli, W. reesidei (type species), W. thompsonense, W. venezolanum
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1930 | Watinoceras Warren |
| 1978 | Watinoceras Cooper p. 120 |
| 1987 | Watinoceras Zaborski p. 37 |
| 1996 | Watinoceras Wright et al. p. 162 |
| 2002 | Watinoceras Sepkoski |
| 2002 | Watinoceras Stelck et al. p. 1790 |
| 2005 | Watinoceras Gale et al. p. 172 |
| 2007 | Watinoceras Ifrim and Stinnesbeck p. 646 |
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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. †Watinoceras Warren 1930
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Subg. †Watinoceras (Watinoceras) Warren 1930
†Watinoceras amudariense Arkhanguelsky 1916
†Watinoceras coloradoense Henderson 1908
†Watinoceras depressum Wright and Kennedy 1981
†Watinoceras devonense Wright and Kennedy 1981
†Watinoceras jaekeli Solger 1904
†Watinoceras odonnelli Cobban et al. 1989
†Watinoceras reesidei Warren 1930
†Watinoceras thompsonense Cobban 1988
†Watinoceras venezolanum Renz 1982
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. W. Wright et al. 1996 | Small to medium-sized; early whorls compressed, with inner and outer ventrolateral tubercles on fine ribs and flat or weakly rounded venter; in later whorls venter may become concave between rows of ventrolateral clavi or rounded with ribs crossing in chevrons; ornament may coarsen with age. |