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Thalattosuchus superciliosus
Taxonomy
Crocodilus superciliosus was named by de Blainville (1853). Its type specimen is MNHN 8903 (neotype), a partial skull, and it is a 3D body fossil.
It was recombined as Metriorhynchus superciliosum by Deslongchamps (1867) and Andrews (1913); it was recombined as Metriorhynchus superciliosus by Delair (1958), Adams-Tresman (1987), Araujo et al. (2008), Young et al. (2010), Nascimento and Zaher (2011), Bronzati et al. (2012), Young et al. (2013), Young et al. (2013), Sertich and O'Connor (2014) and Parrilla-Bel and Canudo (2015); it was recombined as Thalattosuchus superciliosus by Young et al. (2021).
It was recombined as Metriorhynchus superciliosum by Deslongchamps (1867) and Andrews (1913); it was recombined as Metriorhynchus superciliosus by Delair (1958), Adams-Tresman (1987), Araujo et al. (2008), Young et al. (2010), Nascimento and Zaher (2011), Bronzati et al. (2012), Young et al. (2013), Young et al. (2013), Sertich and O'Connor (2014) and Parrilla-Bel and Canudo (2015); it was recombined as Thalattosuchus superciliosus by Young et al. (2021).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1853 | Crocodilus superciliosus de Blainville p. 114 |
| 1867 | Metriorhynchus superciliosum Deslongchamps p. 118 |
| 1867 | Teleosaurus superciliosus Deslongchamps p. 149 |
| 1869 | Steneosaurus dasyceps Seeley p. 140 |
| 1904 | Metriorhynchus jaekeli Schmidt p. 97 figs. Pls. xi, xii |
| 1913 | Metriorhynchus superciliosum Andrews p. 180 |
| 1958 | Metriorhynchus superciliosus Delair p. 60 |
| 1987 | Metriorhynchus superciliosus Adams-Tresman |
| 2008 | Metriorhynchus superciliosus Araujo et al. p. 20 fig. 1 |
| 2010 | Metriorhynchus superciliosus Young et al. pp. 848-849 |
| 2011 | Metriorhynchus superciliosus Nascimento and Zaher |
| 2012 | Metriorhynchus superciliosus Bronzati et al. |
| 2013 | Metriorhynchus superciliosus Young et al. figs. 22A-C, 23 |
| 2013 | Metriorhynchus superciliosus Young et al. |
| 2014 | Metriorhynchus superciliosus Sertich and O'Connor |
| 2015 | Metriorhynchus superciliosus Parrilla-Bel and Canudo |
| 2021 | Thalattosuchus superciliosus Young 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.
†Thalattosuchus superciliosus de Blainville 1853
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Invalid names: Metriorhynchus jaekeli Schmidt 1904 [synonym], Steneosaurus dasyceps Seeley 1869 [synonym], Teleosaurus superciliosus Deslongchamps 1867 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. T. Young et al. 2013 | Metriorhynchid thalattosuchian with conical teeth with little mediolateral compression; crowns have a continuous smooth keel at mesial and distal edges; enamel on labial and lingual surfaces have conspicuous ornamentation composed of accessory ridges orientated to the apicobasal axis of the crown. Enamel ornamentation is stronger on the lingual face than on the labial face. Maxillae hold between 20 and 26 teeth; dentaries hold between 18 and 25 teeth, with 13 to 16 of those adjacent to the mandibular symphysis. The skull is narrow with a mesorostrine snout (sensu Young et al. 2010), with a maximum known basicranial length of 830 mm. Nasals and premaxillae always separated, ranging from 50–132 mm. Both the frontal and prefrontal bones have conspicuous ornamentation, although the frontal ornamentation is highly variable. Approximately 90◦ angle formed by the lateral and medial processes of the frontal, with the rostromedial border of the supratemporal fossa (intratemporal flange) being either rounded or forming a right angle. A thin sclerotic ring composed of seven ossicles, which does not encompass the entire orbit. The deltopectoral crest is moderately developed, with the width of the humerus distal articular head being greater than the width of the deltopectoral crest projecting out from the humerus shaft. |