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Arthrodytes andrewsi

Reptilia - Spheniscidae

Taxonomy
Paraptenodytes andrewsi was named by Ameghino (1901).

It was synonymized subjectively with Arthrodytes grandis by Simpson (1972); it was recombined as Arthrodytes andrewsi by Ameghino (1905), Lambrecht (1933), Simpson (1946), Acosta Hospitaleche (2005), Acosta Hospitaleche and Tambussi (2008) and Tambussi et al. (2023).

Synonymy list
YearName and author
1901Paraptenodytes andrewsi Ameghino p. 81
1905Arthrodytes andrewsi Ameghino p. 146
1933Arthrodytes andrewsi Lambrecht p. 233
1946Arthrodytes andrewsi Simpson p. 35
1963Paraptenodytes andrewsi Brodkorb p. 239
2005Arthrodytes andrewsi Acosta Hospitaleche p. 411
2008Arthrodytes andrewsi Acosta Hospitaleche and Tambussi p. 121
2023Arthrodytes andrewsi Tambussi et al. p. 272

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Archosauromorpha(Huene 1946)
RankNameAuthor
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Theropoda()
Tetanurae
Coelurosauria()
Maniraptora
Paraves
classAves
subclassNeornithesGadow 1893
Aequornithes
Feraequornithes
superorderProcellariimorphae
Sphenisciformes(Sharpe 1891)
familySpheniscidaeBonaparte 1831
genusArthrodytes
speciesandrewsi()

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.

Arthrodytes andrewsi Ameghino 1901
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Diagnosis
ReferenceDiagnosis
C. Acosta Hospitaleche and C. Tambussi 2008Considerably larger than any other
South American species.
Humerus. Straight diaphysis and angulus preaxialis
larger than in Paraptenodytes. Elongate condylus ventralis and dorsalis, whereas they are rounded in Paraptenodytes Total length of 142 mm.
Femur. Large in size and dyaphysis rounded in section but depressed distally. Deep and well defined fossa poplitea. Absence of linea intermuscularis.