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Taxonomy
Sobrarbesiren cardieli was named by Díaz-Berenguer et al. (2018). Its type specimen is MPZ 2017/1, a skull (complete skull of a subadult individual which preserves alveoli of P1-4, a complete le P5, and M1-3 on both sides), and it is a 3D body fossil. Its type locality is Castejón de Sobrarbe, which is in a Lutetian deltaic mudstone in the Sobrarbe Formation of Spain. It is the type species of Sobrarbesiren.
Synonymy list
| Year | Name and author |
|---|---|
| 2018 | Sobrarbesiren cardieli Díaz-Berenguer et al. p. 3 figs. Fig. 2-9 |
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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.
†Sobrarbesiren cardieli Díaz-Berenguer et al. 2018
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. Díaz-Berenguer et al. 2018 | (Ch. Character state following the descriptions and numbering sequence of Domning23 as updated by Vélez-Juarbe et al.24 and Springer et al.1 (e.g., Ch. 102 (0) refers to state 0 of character 102)): sirenian, based on the following synapomorphies: retracted and enlarged external nares (Ch. 8 (1)); premaxilla contacts the frontals (Ch. 9 (1)); and a P1-5, M1-3 postcanine dental formula (Ch. 155 (1)); and characterized by the following com- bination of characters (autapomorphies highlighted with*): upper dental formula 2.1.5.3 (I2 absent); pterygoid fossa present, extending above the level of the roof of the internal nares (Ch. 102 (1)); alisphenoid canal pres- ent (Ch. 101 (0)); rectangular and elongated basioccipital* (Fig. 4a,b and Supplementary Information Fig. S1a); hook-shaped acromion process of the scapula* (Fig. 7d), which extends just to the dorsal border of the glenoid fossa* (Fig. 7b); posterior iliac spine of the innominate bone present* (Fig. 9c); lateral iliac spine that appears abruptly on the lateral surface of the ilium with a attened ventrolateral surface* (Fig. 9e). |
Measurements
No measurements are available
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| Source: f = family, c = class, subp = subphylum | |||||
| References: Carroll 1988, Domning 1979, Hendy et al. 2009 | |||||