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Ingentia prima

Reptilia

Taxonomy
Ingentia prima was named by Apaldetti et al. (2018). Its type specimen is PVSJ 1086, a set of postcrania (Six articulated posterior cervical vertebrae (C5– C10), glenoid region of right scapula and right forelimb lacking all phalanges (except phalanx IV.1 and V.1–2)), and it is a 3D body fossil. Its type locality is Balde de Leyes (Norian, Quebrada del Barro), which is in a Norian alluvial fan sandstone/siltstone in the Quebrada del Barro Formation of Argentina. It is the type species of Ingentia.

Synonymy list
YearName and author
2018Ingentia prima Apaldetti et al.

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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()
Lessemsauridae
genusIngentia
speciesprima

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.

Ingentia prima Apaldetti et al. 2018
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Diagnosis
ReferenceDiagnosis
C. Apaldetti et al. 2018Lessemsauridae differs from all other Sauropodomorpha dinosaurs in possessing the following unique character state combination (asterisks indicate apomorphies of the clade): robust scapulae with dorsal and ventral ends equally expanded*; bone growth characterized by the presence of thick zones of highly vascularized fibrolamellar bone, within a cyclical growth pattern*; slit-shaped neural canal of posterior dorsal vertebrae; anterior dorsal neural spines transversely expanded towards the dorsal end; and a minimum transverse shaft width of the first metacarpal greater than twice the minimum transverse shaft of the second metacarpal.
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: Norian or 228.00000 to 208.50000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Norian228.0 - 208.5Argentina (San Juan) Ingentia prima (type locality: 176414)