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Acleistochelys maliensis
Taxonomy
Acleistochelys maliensis was named by Gaffney et al. (2007). Its type specimen is CNRST SUNY 199, a partial skeleton (Partial skull including fragments of the lower jaw, lacking some of the left temporal region, and both posterior parts of the skull roof. Associated shell fragm), and it is a 3D body fossil. Its type locality is Gao Trench locality 2, which is in a Paleocene/Paleocene marine limestone in the Teberemt Formation of Mali.
Synonymy list
| Year | Name and author |
|---|---|
| 2007 | Acleistochelys maliensis Gaffney et al. |
| 2019 | Acleistochelys maliensis O'Leary 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.
†Acleistochelys maliensis Gaffney et al. 2007
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. S. Gaffney et al. 2007 | A bothremydid pleurodire with these unique characters among the tribe Taphrosphyini: small pit formed by jugal, maxilla, and palatine on triturating surface; jugal exposed on triturating surface; accessory ridge present on anterior triturating surface; wide palatine-basisphenoid contact separating pterygoids on midline; supraoccipital-quadrate contact present; basioccipital narrowly enters condylus occipitalis; palatine-jugal contact in small septum orbitotemporale. Other distinguishing characters are: skull relatively long and narrow; fossa pterygoideus deep and narrow as in Nigeremys but in contrast to Taphrosphys; foramen posterius canalis carotici interni formed by pterygoid, basisphenoid, and quadrate in contrast to Phosphatochelys; small remnant of septum orbitotemporale present consisting of ventral parietal process as in Phosphatochelys but in contrast to Taphrosphys. |
Measurements
No measurements are available
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| Source: subo = suborder, c = class, subp = subphylum | |||||
| References: Uetz 2005, Hendy et al. 2009, Carroll 1988 | |||||
Age range: base of the Middle Paleocene to the top of the Late/Upper Paleocene or 61.66000 to 56.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Paleocene - Late/Upper Paleocene | Mali | Taphrosphyina undescribed species (type locality: 115411) |