Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy External Literature Search Age range and collections

Arthrodytes andrewsi

Reptilia - Avetheropoda - 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) and Acosta Hospitaleche and Tambussi (2008).

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

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
SauriaGauthier 1984
RankNameAuthor
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Saurischia()
Theropoda()
Neotheropoda
AverostraPaul 2002
Tetanurae
orderAvetheropoda
suborderCoelurosauria
Maniraptora
Paraves
classAves
orderSphenisciformesSharpe 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.

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.