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Trinisaura santamartaensis

Reptilia

Taxonomy
Trinisaura santamartaensis was named by Coria et al. (2013). Its type specimen is MLP08-III-1-1, a partial skeleton (Postcrania), and it is a 3D body fossil. Its type locality is DG6-1, Santa Marta Cove, which is in a Campanian marginal marine sandstone/sandstone in the Snow Hill Island Formation of Antarctica.

Synonymy list
YearName and author
2013Trinisaura santamartaensis Coria et al.
2016Trinisaura santamartaensis Cruzado-Caballero et al. p. 146
2016Trinisaura santamartaensis Rozadilla et al. p. 311
2018Trinisaura santamartaensis Madzia et al. p. 969
2019Trinisaura santamartaensis Bell et al. p. 3
2019Trinisaura santamartaensis Cruzado-Caballero et al. p. 216
2019Trinisaura santamartaensis Herne et al. p. 578
2019Trinisaura santamartaensis Ibiricu et al. p. 280

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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
RankNameAuthor
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Ornithischia()
—Genasauria
—Cerapoda
—Ornithopoda()
—Clypeodonta
—Iguanodontia()
—Elasmaria
genusTrinisaura
speciessantamartaensis

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.

†Trinisaura santamartaensis Coria et al. 2013
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Diagnosis
ReferenceDiagnosis
R. A. Coria et al. 2013Trinisaura is distinguished from other ornithopods by the presence of one autapomorphic character consisting in (1) a scapula with a spike-like acromial process with a strong and sharp lateral crest and longer than other ornithopods and the combination of the following characters: (2) rudimentary deltopectoral crest represented as a thickening on the anterolateral margin of the humerus (convergent with Talenkahuen santacrucensis Novas, Cambiaso and Ambrosio, and Anabisetia saldiviai Coria and Calvo), (3) humeral shaft strongly bowed laterally (convergent with Talenkahuen, Anabisetia and some Marginocephalia Sereno), and (4) ischium gently curved along its entire length (convergent with some Marginocephalia) (diagnostic features 2e4 obtained after running cladistic analysis).
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

Age range: Late/Upper Campanian or 83.50000 to 70.60000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian83.5 - 70.6Antarctica Trinisaura santamartaensis (type locality: 47059)