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Palaeomedusa

Reptilia - Eurysternidae

Taxonomy
Palaeomedusa was named by Meyer (1860).

It was assigned to Paludinosa by Quenstedt (1882); to Testudines by Joyce (2003); and to Eurysternidae by Anquetin et al. (2017).

Synonymy list
YearName and author
1860Palaeomedusa Meyer
1882Palaeomedusa Quenstedt p. 152
2003Palaeomedusa Joyce
2017Palaeomedusa Anquetin et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
RankNameAuthor
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
Testudinata(Oppel 1811)
Thalassochelydia
familyEurysternidaeDollo 1886
genusPalaeomedusaMeyer 1860

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. †Palaeomedusa Meyer 1860
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Palaeomedusa testa von Meyer 1860
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Invalid names: Eurysternum crassipes Wagner 1861 [objective synonym]
Diagnosis
ReferenceDiagnosis
J. Anquetin et al. 2017Palaeomedusa testa can be diagnosed as a “eurysternid” by moderate size and the presence of a ligamentous bridge and lateral plastral fontanelles