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Pelagosaurus
Taxonomy
Pelagosaurus was named by Bronn (1841) [Sepkoski's age data: J Plie J Toar-l Sepkoski's reference number: 620].
It was assigned to Dactylopodes by Meyer (1845); to Crocodilidae by d'Orbigny (1849); to Amphicoelia by Owen (1860), Owen (1861); to Metriorhynchidae by Carroll (1988); to Crocodilia by Sepkoski (2002); to Mesoeucrocodylia by Wu et al. (1994), Pol and Norell (2004); to Thalattosuchia by Mueller-Töwe (2005), Gasparini et al. (2006), Larsson and Sues (2007), Jouve (2009); to Teleosauridae by Pierce et al. (2009); to Metriorhynchoidea by Young (2013); to Thalattosuchia by Pierce and Benton (2006), Jouve et al. (2006), Young et al. (2013); and to Neosuchia by Zaher et al. (2006), Fiorelli and Calvo (2008), Nascimento and Zaher (2011), Bronzati et al. (2012), Sertich and O'Connor (2014).
It was assigned to Dactylopodes by Meyer (1845); to Crocodilidae by d'Orbigny (1849); to Amphicoelia by Owen (1860), Owen (1861); to Metriorhynchidae by Carroll (1988); to Crocodilia by Sepkoski (2002); to Mesoeucrocodylia by Wu et al. (1994), Pol and Norell (2004); to Thalattosuchia by Mueller-Töwe (2005), Gasparini et al. (2006), Larsson and Sues (2007), Jouve (2009); to Teleosauridae by Pierce et al. (2009); to Metriorhynchoidea by Young (2013); to Thalattosuchia by Pierce and Benton (2006), Jouve et al. (2006), Young et al. (2013); and to Neosuchia by Zaher et al. (2006), Fiorelli and Calvo (2008), Nascimento and Zaher (2011), Bronzati et al. (2012), Sertich and O'Connor (2014).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1841 | Pelagosaurus Bronn |
| 1845 | Pelagosaurus Meyer p. 280 |
| 1846 | Mosellaesaurus Monard |
| 1849 | Pelagosaurus d'Orbigny p. 206 |
| 1860 | Pelagosaurus Owen p. 271 |
| 1861 | Pelagosaurus Owen p. 300 |
| 1988 | Pelagosaurus Carroll |
| 1994 | Pelagosaurus Wu et al. |
| 2002 | Pelagosaurus Sepkoski |
| 2004 | Pelagosaurus Pol and Norell |
| 2005 | Pelagosaurus Mueller-Töwe |
| 2006 | Pelagosaurus Gasparini et al. p. 72 |
| 2006 | Pelagosaurus Jouve et al. |
| 2006 | Pelagosaurus Pierce and Benton p. 622 figs. 2-8 |
| 2006 | Pelagosaurus Zaher et al. |
| 2007 | Pelagosaurus Larsson and Sues |
| 2008 | Pelagosaurus Fiorelli and Calvo |
| 2009 | Pelagosaurus Jouve |
| 2009 | Pelagosaurus Pierce et al. p. 1087 |
| 2011 | Pelagosaurus Nascimento and Zaher |
| 2012 | Pelagosaurus Bronzati et al. |
| 2013 | Pelagosaurus Young fig. 6 |
| 2013 | Pelagosaurus Young et al. |
| 2014 | Pelagosaurus Sertich and O'Connor |
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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.
G. †Pelagosaurus Bronn 1841
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†Pelagosaurus typus Bronn 1841
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Invalid names: Crocodilus temporalis de Blainville 1835 [synonym], Mosellaesaurus rostrominor Monard 1846 [synonym]
Invalid names: Mosellaesaurus Monard 1846 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. E. Pierce and M. J. Benton 2006 | Features shared with teleosaurids include four premaxillary teeth; small prefrontal; lachrymal visible in dorsal aspect; sagittal crest made up of equal portions of the frontal and parietal; absence of supraorbital constriction on the frontal; presence of mandibular fenestrae; dermal armor; straight tail. Features shared with metriorhynchids include: broad nasals; large frontal; lateral orbits; sagittal crest broad and sculpted; jugal vertically oriented; and scapula symmetrical in lateral view. Apomorphic features include: sculpturing on almost the entire skull and mandible, with extensive sculpturing on the prefrontal, lachrymal, frontal, parietal, temporal arcade and the posterior extent of the mandible; 30 piercing teeth on each side of the upper and lower jaws; small, shallow, egg-shaped antorbital fenestra present within the lachrymal and maxilla; supratemporal fenestrae short anterioposteriorly; paired frontal; anterior margin of internal choanae tapers anteriorly between the paired palatines; presence of a choanal septum on the palatine and pterygoid. |