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Aspideretes
Taxonomy
Aspideretes was named by Hay (1904). It is extant. Its type is Aspideretes gangeticus.
It was reranked as Trionyx (Aspideretes) by Yeh (1974).
It was assigned to Trionyx by Yeh (1974); to Trionychidae by Hay (1908), Lambe (1914), Gilmore (1919), Hay (1930), Russell (1930), Gilmore (1935), Yeh (1963), Estes (1964), Carpenter (1981), Carroll (1988), Hutchison (1992) and Frank and Ramus (1996); and to Trionychinae by Weems (1988) and Holroyd and Hutchison (2002).
It was reranked as Trionyx (Aspideretes) by Yeh (1974).
It was assigned to Trionyx by Yeh (1974); to Trionychidae by Hay (1908), Lambe (1914), Gilmore (1919), Hay (1930), Russell (1930), Gilmore (1935), Yeh (1963), Estes (1964), Carpenter (1981), Carroll (1988), Hutchison (1992) and Frank and Ramus (1996); and to Trionychinae by Weems (1988) and Holroyd and Hutchison (2002).
Species
A. gangeticus (type species), A. hurum, A. leithii, A. nigricans, A. sinuosus, Trionyx (Aspideretes) fuchienensis
Synonymy list
| Year | Name and author |
|---|---|
| 1904 | Aspideretes Hay |
| 1908 | Aspideretes Hay pp. 495-496 |
| 1914 | Aspideretes Lambe p. 11 |
| 1919 | Aspideretes Gilmore p. 129 |
| 1930 | Aspideretes Hay p. 108 |
| 1930 | Aspideretes Russell |
| 1935 | Aspideretes Gilmore p. 182 |
| 1963 | Aspideretes Yeh |
| 1964 | Aspideretes Estes p. 98 |
| 1974 | Trionyx (Aspideretes) Yeh p. 190 |
| 1981 | Aspideretes Carpenter p. 457 |
| 1988 | Aspideretes Carroll |
| 1988 | Aspideretes Weems p. 118 |
| 1992 | Aspideretes Hutchison |
| 1996 | Aspideretes Frank and Ramus |
| 2002 | Aspiderites Holroyd and Hutchison p. 181 |
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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. Aspideretes Hay 1904
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Aspideretes gangeticus Cuvier 1825 [Indian softshell]
Aspideretes hurum Gray 1831 [Indian peacock softshell]
Aspideretes leithii Gray 1872 [Leith's softshell]
Aspideretes nigricans Anderson 1875 [Black softshell]
†Aspideretes sinuosus Chow and Yeh 1958
†Trionyx (Aspideretes) fuchienensis Yeh 1974
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, subp = subphylum | |||||
| References: Carroll 1988, Holroyd et al. 2001, Ernst and Barbour 1989 | |||||
Age range
Maximum range based only on fossils: base of the Early/Lower Cretaceous to the top of the Ruscinian or 145.00000 to 3.20000 Ma
Minimum age of oldest fossil (stem group age): 100.5 Ma
Minimum age of oldest fossil (stem group age): 100.5 Ma
Collections (25 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cretaceous | China (Fujian) | Trionyx fuchienensis (137596) | |
| Late/Upper Santonian | Canada (Alberta) | A. sp. (48834 71485) | |
| Campanian | Mexico (Chihuahua) | A. sp. (170942) | |
| Late/Upper Campanian | Canada (Alberta) | A. sp. (184041) | |
| Late/Upper Campanian | USA (New Mexico) | A. sp. (62533 64096) | |
| Middle Campanian - Late/Upper Campanian | USA (Montana) | A. sp. (14434 14457 51682 222122) | |
| Middle Campanian - Late/Upper Campanian | Canada (Saskatchewan) | A. sp. (75030) | |
| Maastrichtian | USA (North Dakota) | A. sp. (231461) | |
| Lancian | USA (Wyoming) | Aspiderites sp. (14505) | |
| Lancian | USA (North Dakota) | Aspiderites sp. (137715 137723 137731) | |
| Late/Upper Maastrichtian | USA (South Dakota) | A. sp. (48551 150891 150892 150893 150894) | |
| Late/Upper Maastrichtian | USA (Wyoming) | A. sp. (191271) Aspiderites sp. (137798) | |
| Ruscinian | China (Shanxi) | A. sinuosus (42273) |