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Menucocelsior arriagadai

Reptilia

Taxonomy
Menucocelsior arriagadai was named by Rolando et al. (2022). Its type specimen is MPCN-PV-798, a set of postcrania, and it is a 3D body fossil. Its type locality is Cerro Matadero, Arriagada Farm, which is in a Campanian/Maastrichtian estuary/bay sandstone/mudstone in the Allen Formation of Argentina. It is the type species of Menucocelsior.

Synonymy list
YearName and author
2022Menucocelsior arriagadai Rolando et al. p. 2

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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
subclassEureptilia()
—Romeriida
—Diapsida()
RankNameAuthor
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Saurischia()
—Sauropoda()
—Gravisauria
—Eusauropoda
—Neosauropoda
—Macronaria
—Titanosauriformes
—Titanosauria
—Eutitanosauria
genusMenucocelsior
speciesarriagadai

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.

†Menucocelsior arriagadai Rolando et al. 2022
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Diagnosis
ReferenceDiagnosis
M. A. Rolando et al. 2022The same as for genus by monotypy.
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: base of the Late/Upper Campanian to the top of the Early/Lower Maastrichtian or 83.60000 to 66.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0Argentina (Río Negro) Menucocelsior arriagadai (type locality: 231728)