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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. devonense, W. jaekeli, W. odonnelli, W. reesidei (type species), W. thompsonense
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 devonense Wright and Kennedy 1981
†Watinoceras jaekeli Solger 1904
†Watinoceras odonnelli Cobban et al. 1989
†Watinoceras reesidei Warren 1930
†Watinoceras thompsonense Cobban 1988
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. |
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 3 | 12.6 | 5.60 | 21.0 | 17.0 | 7.99 | |
shell diameter | 3 | 29.5 | 13.0 | 48.0 | 41.0 | 18.5 | |
shell inflation | 3 | 9.28 | 3.80 | 15.0 | 14.0 | 6.20 |
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Source: o = order, c = class | |||||
References: Kiessling 2004, Kiessling 2003 |
Collections (52 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Albian | Mexico (Coahuila de Zaragoza) | W. sp. (88677) | |
Late/Upper Cenomanian | USA (New Mexico) | W. odonnelli (230898) | |
Late/Upper Cenomanian - Early/Lower Turonian | USA (New Mexico) | W. sp. (179266) | |
Turonian | USA (Colorado) | W. sp. (3074) | |
Turonian | Canada (British Columbia) | W. sp. (87591) | |
Turonian | Cameroon | Acanthoceras jaekeli (209687) | |
Early/Lower Turonian | Germany (Sachsen) | W. coloradoense (172054) | |
Early/Lower Turonian | Canada (Alberta) | W. reesidei (89194) | |
Early/Lower Turonian | Angola | W. coloradoense (175546) | |
Early/Lower Turonian | Brazil (Sergipe) | W. coloradoense (175461) | |
Early/Lower Turonian | Canada (British Columbia) | W. sp., W. reesidei (87590) | |
Early/Lower Turonian | Canada (Northwest Territories) | W. coloradoensis, W. reesidei (87436) | |
Early/Lower Turonian | USA (Alaska) | W. reesidei (226969) | |
Early/Lower Turonian | Colombia | W. reesidei, W. coloradoense (46997 46998) | |
Early/Lower Turonian | USA (Arizona) | W. coloradoense (53935 53937 54194) W. coloradoense, W. devonense (54188) W. hattini (54197) W. hattini, W. spp. (54196) W. praecursor (55819) W. sp. (3218 3244 3283 3284 3285) W. spp. (55885) | |
Early/Lower Turonian | Venezuela (Trujillo) | W. coloradoense (88036) W. venezolanum, W. reesidei (88076) | |
Early/Lower Turonian | USA (Minnesota) | W. coloradoense (88029) | |
Early/Lower Turonian | USA (Colorado) | W. coloradoense (87872) W. flexuosum, W. reesidei, W. devonense (230903) W. praecursor, W. depressum, W. devonense (230901) W. sp. (230902) | |
Early/Lower Turonian | Mexico (Nuevo Leon) | W. coloradoense (87879 87881 87882) | |
Early/Lower Turonian | Nigeria | W. sp., W. amudariense (69507) | |
Early/Lower Turonian | USA (New Mexico) | W. sp. (200337) | |
Early/Lower Turonian | Cameroon | W. reesidei, W. amudariense (82784) | |
Early/Lower Turonian | Tunisia | W. sp. (88854) | |
Early/Lower Turonian - Middle Turonian | Brazil | W. guentherti, W. sp., W. coloradoense, W. amudariense, W. jaekeli (140889) | |
Late/Upper Turonian | Canada (Alberta) | W. sp. (89193) | |
Middle Turonian | Brazil | W. sp. (144394) | |
Middle Turonian | USA (Arizona) | W. sp. (55986) | |
Middle Turonian | Brazil (Sergipe) | W. sp. A (143144 143145 143146 143152) W. sp. A, W. sp. B (143141) | |
Middle Turonian | Canada (British Columbia) | Acanthoceras coloradoensis (87444) |