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Chubutodyptes biloculata

Reptilia

Taxonomy
Chubutodyptes biloculata was named by Simpson (1970). Its type specimen is AMNH 3346, a set of postcrania (right humerus), and it is not a trace fossil. Its type locality is Cerro del Castillo, Trelew, which is in an Aquitanian/Burdigalian shallow subtidal sandstone in the Gaiman Formation of Argentina.

It was recombined as Palaeospheniscus biloculata by Acosta Hospitaleche (2007), Acosta Hospitaleche et al. (2007), Acosta Hospitaleche and Tambussi (2008), Soto-Acuña et al. (2008) and Tambussi et al. (2023).

Synonyms
Synonymy list
YearName and author
1905Perispheniscus wimani Ameghino p. 117 figs. Plate 2, Fig. 14
1933Perispheniscus wimani Lambrecht p. 229
1946Perispheniscus wimani Simpson p. 32
1970Chubutodyptes biloculata Simpson p. 22 figs. Plate 4
1972Palaeospheniscus wimani Simpson p. 7
1972Chubutodyptes biloculata Simpson p. 17
2007Palaeospheniscus biloculata Acosta Hospitaleche p. 421
2007Palaeospheniscus biloculata Acosta Hospitaleche et al. p. 308
2008Palaeospheniscus biloculata Acosta Hospitaleche and Tambussi p. 117
2008Palaeospheniscus biloculata Soto-Acuña et al. p. 123
2023Palaeospheniscus biloculata Tambussi et al. p. 273

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
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)
subfamilyPalaeospheniscinae
genusChubutodyptes
speciesbiloculata

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.

Chubutodyptes biloculata Simpson 1970
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Diagnosis
ReferenceDiagnosis
C. Acosta Hospitaleche and C. Tambussi 2008Tarsometatarsus. Total length more than 43 mm, be- ing the largest species of the genus. Lateral divergence of the trochlea for digit II greater than in P. bergi and P. biloculata. Crista lateralis hypotarsi more developed than in the other species of the genus, reaching the fossa supratrochlearis plantaris. Absence of a crista intermediate hypotarsi.