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Acynodon iberoccitanus
Taxonomy
Acynodon iberoccitanus was named by Buscalioni et al. (1997). It is not extant. It is the type species of Acynodon.
Synonymy list
| Year | Name and author |
|---|---|
| 1997 | Acynodon iberoccitanus Buscalioni et al. |
| 2007 | Acynodon iberoccitanus Martin |
| 2011 | Acynodon iberoccitanus Puértolas 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.
†Acynodon iberoccitanus Buscalioni et al. 1997
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. E. Martin 2007 | Nasals do not meet posteriorly, pronounced interorbital ridges on frontal and prefrontal, constricted parietal between craniocaudally elongate supratemporal fenestrae, depression on the dorsal surface of the squamosal, laterally expanded quadrate, quadrate condyles separated by a ridge on the dorsal surface, small incisive foramen that does not reach the premaxillary-maxillary suture, absence of premaxillary-maxillary notch, maxillary alveoli generally homodont with gradual rostral increase in size, and no enlargement of fourth or fifth alveoli (Buscalioni et al, 1997), fine and shallow pitting on dorsal surface of cranium, alveoli small relative to the size of the cranium, heterodont dentition with anterior spatulated teeth and three posterior globular teeth, quadrate with pronounced mediolaterally oriented muscle scar, prominent M. depressor mandibulae scar on the exoccipital, very small capitate process of the laterosphenoid, absence of external mandibular fenestra, prominent medial shelf of the splenial, enlarged medial mandibular fossa (one-third the mandibular length), prominent medially shifted muscle scar on the angular, at the border of the mandibular fossa, wide longitudinal shelf on the dorsal surface of the surangular, high profile of the posterior part of the mandibular ramus, toothrow well below the level of the surangular, short mandibular toothrow, less than half the mandibular length. |
Measurements
No measurements are available
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| Source: subo = suborder, c = class, subp = subphylum, uc = unranked clade | |||||
| References: Benton 1983, Carroll 1988, Bush and Bambach 2015, Hendy et al. 2009 | |||||
Age range: Late/Upper Campanian or 83.50000 to 70.60000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | France (Provence-Alpes-Côte d'Azur) | Crocodylidae indet. (28454) | |
| Late/Upper Campanian | Spain (Castilla y Leon) | Acynodon iberoccitanus (28765) Alligatoridae indet. (28406) | |
| Middle Campanian | France (Provence-Alpes-Côte d'Azur) | Acynodon iberoccitanus (59269) | |
| Late/Upper Campanian - Early/Lower Maastrichtian | France (Languedoc-Roussillon) | Acynodon iberoccitanus (48870 59687) |