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Sektensaurus sanjuanboscoi

Reptilia

Taxonomy
Sektensaurus sanjuanboscoi was named by Ibiricu et al. (2019). Its type specimen is UNPSJB-PV 1054, a partial skeleton, and it is a 3D body fossil. Its type locality is Ephemeral island, Lago Colhué Huapi, which is in a Campanian/Maastrichtian floodplain sandstone in the Lago Colhué Huapi Formation of Argentina. It is the type species of Sektensaurus.

Synonymy list
YearName and author
2019Sektensaurus sanjuanboscoi Ibiricu et al. p. 277 fig. 2–8
2022Sektensaurus sanjuanboscoi Rotatori et al. 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
subclassEureptilia()
RankNameAuthor
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Ornithischia()
—Genasauria
—Cerapoda
—Ornithopoda()
—Clypeodonta
—Iguanodontia()
genusSektensaurus
speciessanjuanboscoi

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.

†Sektensaurus sanjuanboscoi Ibiricu et al. 2019
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Diagnosis
ReferenceDiagnosis
L. M. Ibiricu et al. 2019Ornithopod dinosaur diagnosed by the following autapomorphies (1) Well developed lip present in articular surfaces of the dorsal vertebrae, (2) transversally narrow ventral surfaces of the sacral vertebrae, with a keel in thefirst sacral, and wide andwithout keel in the last sacrals (convergent with iguanodontians Camptosaurus and Morelladon); (3) postzygapophyses facets of the fifth sacral vertebra with a thin border; (4) humerus with almost straight distal end, slightly marked incisura; (5) and distal humeral condyles almost equal in size.
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: base of the 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
Campanian - Early/Lower Maastrichtian83.6 - 66.0Argentina (Chubut) Ornithopoda indet., Hadrosauridae indet. (type locality: 52909)