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Volkheimeria chubutensis

Reptilia

Taxonomy
Volkheimeria chubutensis was named by Bonaparte (1979). Its type specimen is PVL 4077, a partial skeleton, and it is a 3D body fossil. Its type locality is 1 km east of Cerro Cóndor, which is in a Toarcian fluvial-lacustrine tuff in the Cañadón Asfalto Formation of Argentina. It is the type species of Volkheimeria.

Synonymy list
YearName and author
1979Volkheimeria chubutensis Bonaparte p. 226
1980Volkheimeria chubutensis Bonaparte p. 76
1981Volkheimeria chubutensis Bonaparte p. 670
1986Volkheimeria chubutensis Bonaparte p. 251
1986Volkheimeria chubutensis Taquet p. 42
1990Volkheimeria chubutensis McIntosh p. 383
1997Volkheimeria chubutensis Novas p. 681
1999Volkheimeria chubutensis Bonaparte p. 133
2002Volkheimeria chubutensis Wilson p. 249
2004Volkheimeria chubutensis Upchurch et al. p. 262
2005Volkheimeria chubutensis Salgado and Coria p. 433
2008Volkheimeria chubutensis Escapa et al. p. 617
2017Volkheimeria chubutensis Souto and Fernandes p. 232
2021Volkheimeria chubutensis Holwerda et al. p. 576

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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
RankNameAuthor
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Saurischia()
—Sauropoda()
—Gravisauria
genusVolkheimeria
specieschubutensis

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.

†Volkheimeria chubutensis Bonaparte 1979
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Diagnosis
ReferenceDiagnosis
J. F. Bonaparte 1986Cetiosaurid of smaller size than Patagosaurus fariasi, with femur measuring 63 cm in length. Posterior dorsal vertebrae with lower neural arch than Patagosaurus; laterally flattened neural spine with rectangular basal cross-section, lacking the divergent laminae present in Patagosaurus, comparable to Lapparentosaurus madagascariensis. Iliac blade turned back to project anteriorly, ischium with subcircular shaft and without lamellar tendency, more gracile and elongate pubis than in Patagosaurus or Lapparentosaurus madagascariensis. (Translated by M. Carrano.)
Measurements
No measurements are available
Composition: hydroxyapatiteinfrao
Entire body: yesinfrao
Adult length: 10 to < 100infrao
Adult width: 10 to < 100infrao
Adult height: 10 to < 100infrao
Thickness: thickinfrao
Architecture: compact or denseinfrao
Form: sphericalinfrao
Ontogeny: accretion, modification of partsinfrao
Grouping: gregariousinfrao
Environment: terrestrialinfrao
Locomotion: actively mobileinfrao
Life habit: ground dwellinginfrao
Diet: herbivoreinfrao
Reproduction: oviparousinfrao
Dispersal: direct/internalinfrao
Dispersal 2: mobileinfrao
Created: 2004-12-14 12:49:10
Modified: 2004-12-14 14:49:10
Source: infrao = infraorder
Reference: Marsh 1875

Age range: Middle Toarcian or 182.00000 to 175.60000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Middle Toarcian182.0 - 175.6Argentina (Chubut) Volkheimeria chubutensis (type locality: 28534)