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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Purranisaurus
Taxonomy
Purranisaurus was named by Rusconi (1948). Its type is Purranisaurus potens.
It was assigned to Plesiosauria by Rusconi (1948); to Nothosauridae by Kuhn (1966); to Geosaurinae by Young et al. (2010) and Cau and Fanti (2011); to Thalattosuchia by Bronzati et al. (2012); and to Geosaurini by Herrera et al. (2015).
It was assigned to Plesiosauria by Rusconi (1948); to Nothosauridae by Kuhn (1966); to Geosaurinae by Young et al. (2010) and Cau and Fanti (2011); to Thalattosuchia by Bronzati et al. (2012); and to Geosaurini by Herrera et al. (2015).
Species
P. potens (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1948 | Purranisaurus Rusconi |
| 1966 | Purranisaurus Kuhn p. 112 |
| 2010 | Purranisaurus Young et al. p. 855 |
| 2011 | Purranisaurus Cau and Fanti p. 558 fig. 6 |
| 2012 | Purranisaurus Bronzati et al. |
| 2015 | Purranisaurus Herrera 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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. T. Young et al. 2010 | Metriorhynchid thalattosuchian with less than 18 teeth per maxilla, and more than 20 teeth per dentary; all teeth lack carinae; lacks conspicuous ornamentation on the cranial bones; the antorbital fossa is elongate, narrow, and oriented obliquely, and is enclosed by the lacrimal, maxilla, and jugal; the antorbital pseudofenestra is enclosed by the lacrimal, nasal, and maxilla; the supratemporal arch in lateral view is straight; the internal nares opens out posteriorly into the buccal cavity, with the palatines creating an M-shape orientated anteriorly; the maxilla–palatine suture forms a broad U-shape orientated anteriorly; the parocciptal process terminates with a sharp incline dorsolaterally; the squamosal contributes less than 50% to the supratemporal arch. |
Measurements
No measurements are available
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| Source: subo = suborder | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Late/Upper Tithonian to the top of the Early/Lower Berriasian or 150.80000 to 140.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Tithonian - Early/Lower Berriasian | Argentina (Mendoza) | P. potens (153673) |