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Nothosaurus marchicus
Reptilia - Sauropterygia - Nothosauridae
Taxonomy
Nothosaurus marchicus was named by Koken (1893). Its type specimen is Lost part and MR R.2 counterpart, a skull, and it is a 3D body fossil. Its type locality is Rüdersdorf, near Berlin: Orbicularis beds, which is in an Anisian marine horizon in the Karlstadt Formation of Germany.
Sister species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1893 | Nothosaurus marchicus Koken figs. text-figs 1-2, 3A; Plate 10, figs 1-3 |
1914 | Nothosaurus crassus Schröder |
1914 | Nothosaurus oldenburgi Schröder |
1914 | Nothosaurus procerus Schröder |
1914 | Nothosaurus raabi Schröder |
1944 | Nothosaurus schroederi Huene |
1996 | Nothosaurus marchicus Rieppel and Wild p. 34 |
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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 | |
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O. Rieppel and R. Wild 1996 | A species of Nothosaurus of small overall size (skull with condylobasal length not exceeding 200 mm in the adult); rostrum relatively short and broad, rounded; five fangs in each premaxilla, the fifth slightly smaller than the preceding fangs; five small maxillary teeth preceding the paired maxillary fangs; external nares relatively short and broad, kidney-shaped; nasals broad and leaf-shaped, with radiating ornamentation; postfrontal with a distinct postorbital constriction; squamosal closely approaching or contacting the posterior end of the jugal; quadratojugal absent; ectopterygoid reaching far forward up to half the length of palatine |