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Macrochelys (alligator snapping turtle)
Taxonomy
Macrochelys was named by Gray (1856) [Webb (1995; reference # 50687) demonstrated that Macrochelys is the senior synonym of Macroclemys and both were published in 1856 (not 1855 as commonly stated) [Richard Hulbert, Apr. 2014]]. It is extant. Its type is Macroclemys temminckii. It was considered monophyletic by Thomas et al. (2014).
It was corrected as Macroclemys by Frank and Ramus (1996) and Anquetin et al. (2009).
It was assigned to Terrestria by Quenstedt (1882); to Testudines by Anquetin et al. (2009); to Chelydridae by Joyce (2016); and to Chelydridae by Cope (1875), Cope (1884), Hay (1908), Hay (1930), Whetstone (1978), Carroll (1988), Frank and Ramus (1996), Knauss et al. (2011), Thomas et al. (2014), van Dijk et al. (2014) and Rhodin et al. (2017).
It was corrected as Macroclemys by Frank and Ramus (1996) and Anquetin et al. (2009).
It was assigned to Terrestria by Quenstedt (1882); to Testudines by Anquetin et al. (2009); to Chelydridae by Joyce (2016); and to Chelydridae by Cope (1875), Cope (1884), Hay (1908), Hay (1930), Whetstone (1978), Carroll (1988), Frank and Ramus (1996), Knauss et al. (2011), Thomas et al. (2014), van Dijk et al. (2014) and Rhodin et al. (2017).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1856 | Macrochelys Gray |
| 1857 | Gypochelys Agassiz |
| 1875 | Macrochelys Cope p. 52 |
| 1882 | Macrochelys Quenstedt p. 148 |
| 1884 | Macrochelys Cope |
| 1908 | Macrochelys Hay p. 222 |
| 1930 | Macrochelys Hay p. 85 |
| 1978 | Macroclemys Whetstone p. 161 |
| 1988 | Macroclemys Carroll |
| 1996 | Macroclemys Frank and Ramus |
| 2009 | Macroclemys Anquetin et al. |
| 2011 | Macrochelys Knauss et al. |
| 2014 | Macrochelys Thomas et al. |
| 2014 | Macrochelys van Dijk et al. |
| 2016 | Macrochelys Joyce |
| 2017 | Macrochelys Rhodin et al. |
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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. Macrochelys Gray 1856 [alligator snapping turtle]
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†Macrochelys auffenbergi Dobie 1968 [Auffenberg's snapping turtle]
†Macrochelys schmidti Zangerl 1945
†Macrochelys stricta Matthew 1924
Macrochelys suwanniensis Thomas et al. 2014 [Suwannee alligator snapping turtle]
Macrochelys temminckii Troost 1835 [Alligator snapping turtle]
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Invalid names: Gypochelys lacertina Agassiz 1857 [synonym], Macrochelys apalachicolae Thomas et al. 2014 [synonym]
Invalid names: Gypochelys Agassiz 1857 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| O. P. Hay 1908 | Three or four additional, or supramarginal, scutes on each side. Orbits lateral. Tail with small scales inferiorly (Boulenger). |