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Isasicursor santacrucensis

Osteichthyes

Taxonomy
Isasicursor santacrucensis was named by Novas et al. (2019). Its type specimen is MPM 21525, a limb element (proximal end of left tibia), and it is a 3D body fossil. Its type locality is La Anita (Ornithopod site), which is in a Maastrichtian terrestrial claystone in the Chorrillo Formation of Argentina.

Synonymy list
YearName and author
2019Isasicursor santacrucensis Novas et al.
2022Isasicursor santacrucensis Moyano-Paz et al. p. 17

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
RankNameAuthor
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Ornithischia()
—Genasauria
—Cerapoda
—Ornithopoda()
—Clypeodonta
—Iguanodontia()
—Elasmaria
genusIsasicursor
speciessantacrucensis

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.

†Isasicursor santacrucensis Novas et al. 2019
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatiteo
Entire body: yeso
Adult length: 10 to < 100o
Adult width: 1.0 to < 10o
Adult height: 1.0 to < 10o
Architecture: compact or denseo
Ontogeny: accretion, modification of partso
Grouping: gregariouso
Environment: terrestrialo
Locomotion: actively mobileo
Life habit: ground dwellingo
Diet: herbivoresubo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2009-01-03 20:40:05
Modified: 2009-01-03 22:40:05
Source: subo = suborder, o = order
References: Marsh 1875, Benton 1983, Kiessling 2004

Age range: Early/Lower Maastrichtian or 72.20000 to 66.00000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Maastrichtian72.2 - 66.0Argentina (Santa Cruz) Isasicursor santacrucensis (type locality: 206970 227006)