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Lapparentosaurus madagascariensis

Reptilia

Taxonomy
Lapparentosaurus madagascariensis was named by Bonaparte (1986) [The nomenclature is confusing as Bonaparte says that B. madagascariensis needs a new generic name, but then offers Lapparentosaurus madagascariensis as gen. nov. sp. nov. and with a new specimen as holotype. Thus the two are considered distinct taxa here.]. Its type specimen is MAA 91-92, a set of vertebrae, and it is a 3D body fossil. Its type locality is Andranomamy, Tsinjorano, which is in a Bathonian terrestrial sandstone/claystone in the Isalo III Formation of Madagascar.

Synonymy list
YearName and author
1986Lapparentosaurus madagascariensis Bonaparte p. 251
1990Lapparentosaurus madagascariensis McIntosh p. 383
1997Lapparentosaurus madagascariensis Currie and Padian p. 369
1999Lapparentosaurus madagascariensis Bonaparte p. 136
2002Lapparentosaurus madagascariensis Wilson p. 248
2004Lapparentosaurus madagascariensis Upchurch et al. p. 266
2005Lapparentosaurus madagascariensis Apesteguía p. 339
2005Lapparentosaurus madagascariensis Salgado and Coria p. 433
2006Lapparentosaurus madagascariensis Flynn et al. p. 478
2009Lapparentosaurus madagascariensis Santos et al. p. 419
2011Lapparentosaurus madagascarensis Company p. 75
2019Lapparentosaurus madagascariensis Raveloson et al. p. 4
2021Lapparentosaurus madagascariensis Bindellini and Dal Sasso p. 139

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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
Eusauropoda
genusLapparentosaurus
speciesmadagascariensis

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.

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Diagnosis
ReferenceDiagnosis
J. F. Bonaparte 1986As for the genus.
M. L. T. Raveloson et al. 2019Axial skeleton with tall dorsal vertebrae, posterior dorsals with elevated neural arches, and well-developed neural spines formed from four divergent laminae and with a massive dorsal region. Pneumatic fossae of dorsal vertebrae positioned on the anterior two-thirds of the lateral surface.
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: Late/Upper Bathonian or 167.70000 to 164.70000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Bathonian167.7 - 164.7Madagascar (Mahajanga) Dinosauria indet. (type locality: 51916)