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Pedrerasaurus latifrontalis
Taxonomy
Pedrerasaurus latifrontalis was named by Bolet and Evans (2010). Its type specimen is Museu de Geologia de Barcelona collection 47250, a partial skeleton, and it is a 3D body fossil. Its type locality is La Pedrera de Meià, El Montsec, which is in a Barremian lacustrine - large limestone in the La Pedrera de Rúbies Formation of Spain. It is the type species of Pedrerasaurus.
Synonymy list
| Year | Name and author |
|---|---|
| 2010 | Pedrerasaurus latifrontalis Bolet and Evans |
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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.
†Pedrerasaurus latifrontalis Bolet and Evans 2010
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Bolet and S. E. Evans 2010 | Pedrerasaurus resembles Meyasaurus and differs from all other described Jurassic and Early Cretaceous lizards in having bicuspid posterior teeth, but differs from Meyasaurus in having broader, paired frontal bones (fused and very narrow in Meyasaurus) with the median suture showing strong interdigitations in its posterior half, rugose rather than vermiculate sculpture on the skull bones, a slender, rather than expanded squamosal, shorter postparietal processes on the parietal, and less disparity in length between the anterior and posterior dorsal ribs. Pedrerasaurus resembles Ardeosaurus from the Jurassic Solnhofen Limestone in having paired frontals with an interdigitated suture, but differs in having: shorter postparietal processes; a narrower squamosal (it is broader, dorsoventrally flattened, and restricts the upper temporal fenestra in Ardeosaurus); a braincase that is completely covered by the parietal (it is exposed for some distance behind it in Ardeosaurus): no osteoderms on the skull; and a higher number of presacral vertebrae (26 v. 23 in Ardeosaurus). The tooth tip morphology of Ardeosaurus is currently unknown. |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Carroll 1988 | |||||
Age range: Early/Lower Barremian or 130.00000 to 125.45000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Barremian | Spain (Cataluña) | Pedrerasaurus latifrontalis (type locality: 85293) |