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Palaeospheniscus bergi

Reptilia - Avetheropoda

Taxonomy
Palaeospheniscus bergi was named by Moreno and Mercerat (1891). Its type specimen is Museo de La Plata, a set of limb elements (humerus, radius, tarsometatarsus), and it is a 3D body 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 Paraspheniscus bergi by Ameghino (1905), Lambrecht (1933), Simpson (1946) and Brodkorb (1963).

Synonyms
Synonymy list
YearName and author
1891Palaeospheniscus bergi Ameghino p. 447
1891Palaeospheniscus bergi Moreno and Mercerat
1905Pseudospheniscus convexus Ameghino
1905Palaeospheniscus planus Ameghino p. 109
1905Palaeospheniscus rothi Ameghino p. 110
1905Paraspheniscus bergi Ameghino p. 115
1905Pseudospheniscus interplanus Ameghino p. 123 figs. Plate 3, Fig. 19
1905Pseudospheniscus concavus Ameghino p. 124
1905Pseudospheniscus convexus Ameghino p. 164 figs. Plate III, Fig. 20
1905Pseudospheniscus planus Ameghino p. 164 figs. Plate III, Fig. 19
1933Palaeospheniscus planus Lambrecht p. 227
1933Palaeospheniscus rothi Lambrecht p. 227
1933Paraspheniscus bergi Lambrecht p. 228
1933Pseudospheniscus concavus Lambrecht p. 230
1933Pseudospheniscus interplanus Lambrecht p. 230
1946Palaeospheniscus planus Simpson p. 26
1946Palaeospheniscus rothi Simpson p. 26
1946Paraspheniscus bergi Simpson p. 30
1946Pseudospheniscus concavus Simpson p. 30
1963Palaeospheniscus rothi Brodkorb p. 237
1963Paraspheniscus bergi Brodkorb p. 238
1963Pseudospheniscus concavus Brodkorb p. 240
1963Pseudospheniscus interplanus Brodkorb p. 240
1972Palaeospheniscus bergi Simpson p. 7
2007Palaeospheniscus bergi Acosta Hospitaleche
2008Palaeospheniscus bergi Acosta Hospitaleche and Tambussi p. 115

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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
subfamilyPalaeospheniscinae
genusPalaeospheniscus
speciesbergi

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 2008Tarsometatarsus. Slender, in accordance with the smaller size of the genus, total length between 28 and 36 mm and an elongation index between 2.06 and 2.16.