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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Edaphodon snowhillensis
Taxonomy
Edaphodon snowhillensis was named by Gouiric-Cavalli et al. (2015). Its type specimen is MLP 13-I-26-1, a set of teeth (Complete left and an almost complete right mandibular tooth plate, and two almost complete palatine and vomerine tooth plates), and it is a 3D body fossil. Its type locality is James Ross Island, Herbert Sound Member, which is in a Campanian marine sandstone/mudstone in the Snow Hill Island Formation of Antarctica.
Synonymy list
| Year | Name and author |
|---|---|
| 2015 | Edaphodon snowhillensis Gouiric-Cavalli et al. pp. 4-5 figs. 2-6 |
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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.
†Edaphodon snowhillensis Gouiric-Cavalli et al. 2015
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. Gouiric-Cavalli et al. 2015 | ‘Edaphodontidae’ with a crushing-breaking dentition. Mandibular tooth plate with four tritors. Big, undivided, and oval median tritor. Two smaller unequal outer tritors. Horsehoof-shaped anterior outer tritor. Extended posterior outer tritor relatively wider than the anterior outer tritor. Beak tritor exposed at the mesial tip and in a narrow strip along the labial margin of the beak. Beak tritor not extending downward in the symphyseal surface. Triangular palatine tooth plate with four tritors. Both inner tritors oblong (longer than wide) and almost equal in size. Posterior inner tritor with a narrow anterior section and a wide posterior one. Small median tritor located distally to the inner posterior tritor. Elongated outer tritor, narrow at its distal end. Subquadrangular vomerine tooth plate. Tritorial series of the vomerine tooth plate composed of 10–12 tritorial rods. One inner symphyseal tritorial rod in the vomerine tooth plate. Vomerine mesial angle scarcely marked. |
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Carroll 1988, Wagner 2023, Hendy et al. 2009 | |||||
Age range: Late/Upper Campanian or 83.60000 to 72.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | Antarctica | Edaphodon snowhillensis (type locality: 232286) |