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Sichuanchelys
Taxonomy
Sichuanchelys was named by Ye and Pi (1997). Its type is Sichuanchelys chowi.
It was assigned to Pantestudines by Danilov and Parham (2008); to Chengyuchelyidae by Ye and Pi (1997) and Brinkman et al. (2008); to Testudinata by Rabi et al. (2010) and Anquetin (2012); to Cryptodira by Brinkman et al. (2013); to Sichuanchelyidae by Tong et al. (2012) and Joyce et al. (2016); and to Sichuanchelyidae by Joyce (2017).
It was assigned to Pantestudines by Danilov and Parham (2008); to Chengyuchelyidae by Ye and Pi (1997) and Brinkman et al. (2008); to Testudinata by Rabi et al. (2010) and Anquetin (2012); to Cryptodira by Brinkman et al. (2013); to Sichuanchelyidae by Tong et al. (2012) and Joyce et al. (2016); and to Sichuanchelyidae by Joyce (2017).
Species
S. chowi (type species), S. palatodentata
Synonymy list
| Year | Name and author |
|---|---|
| 1997 | Sichuanchelys Ye and Pi p. 182 figs. plate 1 |
| 2008 | Sichuanchelys Brinkman et al. p. 36 |
| 2008 | Sichuanchelys Danilov and Parham |
| 2010 | Sichuanchelys Rabi et al. |
| 2012 | Sichuanchelys Anquetin p. 34 fig. 10 |
| 2012 | Sichuanchelys Tong et al. pp. 684-685 figs. 8-10 |
| 2013 | Sichuanchelys Brinkman et al. |
| 2016 | Sichuanchelys Joyce et al. |
| 2017 | Sichuanchelys Joyce |
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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. †Sichuanchelys Ye and Pi 1997
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†Sichuanchelys chowi Ye and Pi 1997
†Sichuanchelys palatodentata Joyce et al. 2016
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. Tong et al. 2012 | Primitive turtle of small size, with a carapace length about 160 mm (1); carapace low, as long as wide and tapering posteriorly (2), with a large and deep cervical notch (3) and a shallow midline depression (4); shell surface without obvious ornamentation (5); most neurals elongate hexagonal with short anterolateral sides (6); peripherals very broad (7); vertebral scutes extremely broad, and second and third vertebrals with width being nearly three times length (8); pleural scutes narrow (9); all marginals narrow, lateral marginal scutes extremely narrow (10); plastron broad and sutured to carapace (11); anterior border of plastron slightly notched andmade of a pair of weak intergular projections (12); one pair of mesoplastra present, which is narrowed in the midline and included mostly in the abdominal scute except laterally (13); epiplastron with very short midline contact (14) and long posterolateral process (15); entoplastron small and triangular and not reaching the anterior plastral margin (16); one pair of intergulars extending onto the entoplastron (17); anal scute included in the xiphiplastron (18); four inframarginals (19). Differs from Bashuchelys by the characters 1–3, 7–10, 12, 15, 16 and 18. Differs from Protoxinjiangchelys and Chuannanchelys by characters 2–4, 7, 10, 12, 14–18. Differs from Kayentachelys and Indochelys by characters 1–3, 6, 7, 10, 13–16. |