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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Xenochelys floridensis
Taxonomy
Xenochelys floridensis was named by Bourque (2013). Its type specimen is UF 150006-150007, a partial skeleton (associated right and left hypoplastra), and it is a 3D body fossil. Its type locality is Brooksville 2, which is in an Arikareean fissure fill claystone/sandstone in Florida.
Synonymy list
| Year | Name and author |
|---|---|
| 2013 | Xenochelys floridensis Bourque |
| 2016 | Xenochelys floridensis Joyce and Bourque |
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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.
†Xenochelys floridensis Bourque 2013
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. R. Bourque 2013 | Small adult body size (12–14 cm estimated carapace length); lateral sulci for V1 (V1-PL1 sulci) contained on nuchal, not extending onto P1; carapace smooth with no dorsal carinae on neurals or costals (at least on the anterior and mid portions of the carapace; the posterior portion is unknown at this time); costiform processes extend into P2; lack of femoral-anal scale cusp along the posterolateral margin of the xiphiplastron; visceral margin of femoral and anal scales very reduced and narrow; inguinal-humeral sulcus nearly contacting humeral-femoral sulcus at the inguinal buttress of the hypoplastron; humeral-femoral sulci curve posteriorly before contacting at midline creating an obtuse ‘‘V’’ shape; mandible moderately wide with slightly expanded triturating surfaces just at and anterior to the coronoid processes; lingual shelf fades anteriorly, becoming smooth at the dentary symphysis |
Measurements
No measurements are available
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| Source: superf = superfamily, c = class, subp = subphylum | |||||
| References: Carroll 1988, Uetz 2005, Hendy et al. 2009 | |||||
Age range: Arikareean or 29.50000 to 18.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arikareean | USA (Florida) | Xenochelys floridensis (type locality: 17476) |