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Microzemiotes sonselaensis
Taxonomy
Microzemiotes sonselaensis was named by Burch et al. (2024). Its type specimen is DMNH PAL 2018-05-0017, a mandible (partial left dentary with three preserved teeth, partially distorted on the lingual side), and it is a 3D body fossil. Its type locality is Jim Camp Wash, which is in a Norian fluvial sandstone in the Chinle Formation of Arizona. It is the type species of Microzemiotes.
Synonymy list
| Year | Name and author |
|---|---|
| 2024 | Microzemiotes sonselaensis Burch et al. p. 23 figs. Fig. 1 |
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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.
†Microzemiotes sonselaensis Burch et al. 2024
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. E. Burch et al. 2024 | This species is diagnosed by the following combination of anatomical traits (potential autapomorphy denoted with an *): an ankylosed subthecodont dentition (sensu Bertin et al., 2018); distal dentary teeth are inclined distally from perpendicular to the mesial tooth edge; distal dentary teeth are oval in coronal cross-section (longer in the
mesial-distal direction) with no carinae or serrations; replacement of teeth occurring in pits located distolingually to the fully-erupted teeth, a taller (1.0 mm) labial wall and slightly lower (0.9 mm) lingual wall of the dental shelf; intramandibular septum present; a rounded, incomplete, and ventrally-free intramandibular septum at the posteroventral portion of the dentary* (sensu Estes, 1964) projecting from the medial surface of the lateral wall; lingual and labial grooves extending from the base of the tooth to the tip of the crown. |
Measurements
No measurements are available
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| Source: subc = subclass, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988, Kiessling 2004 | |||||