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Eoabelisaurus mefi

Reptilia

Taxonomy
Eoabelisaurus mefi was named by Pol and Rauhut (2012). Its type specimen is MPEF PV 3990, a partial skeleton (an almost complete skeleton, including the posterior half of the skull, five cervical and nine dorsal vertebrae, complete sacrum, 27 caudal vertebrae, left and ), and it is a 3D body fossil. Its type locality is Jugo Loco site, near Cerro Cóndor, which is in an Aalenian/Bajocian lacustrine - large mudstone in the Cañadón Asfalto Formation of Argentina.

Synonymy list
YearName and author
2012Eoabelisaurus mefi Pol and Rauhut p. 2170 fig. 1
2013Eoabelisaurus mefi Machado et al. p. 447
2013Eoabelisaurus mefi Novas et al. p. 182
2014Eoabelisaurus mefi Hendrickx and Mateus p. 30
2018Eoabelisaurus mefi Delcourt 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()
RankNameAuthor
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Theropoda()
—Neotheropoda
—AverostraPaul 2002
suborderCeratosauria()
superfamilyAbelisauroidea
genusEoabelisaurus
speciesmefi

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.

†Eoabelisaurus mefi Pol and Rauhut 2012
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Diagnosis
ReferenceDiagnosis
D. Pol and O. W. M. Rauhut 2012Medium-sized theropod dinosaur (6–6.5 m total length) with the following autapomorphies: quadrate with thickened medial distal articular end and subparallel articular condyles; mid-dorsal vertebrae with double, V-shaped lamina extending from the parapophysis to the prezygodiapophyseal lamina; ulna with hypertrophied olecranon process, accounting for more than 30 per cent of its length; pubic foramen elongate, more than twice as long as high; ambiens process of pubis developed as a large, anterolaterally directed, convex expansion.
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: solitaryo
Environment: terrestrialo
Locomotion: actively mobileo
Life habit: ground dwellingo
Diet: carnivoreo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2004-12-14 12:50:08
Modified: 2004-12-14 14:50:08
Source: o = order
Reference: Marsh 1875

Age range: base of the Aalenian to the top of the Early/Lower Bajocian or 174.70000 to 168.60000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Aalenian - Early/Lower Bajocian174.7 - 168.6Argentina (Chubut) Eoabelisaurus mefi (type locality: 130985)