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Amygdalodon patagonicus

Reptilia

Taxonomy
Amygdalodon patagonicus was named by Cabrera (1947). Its type specimen is MLP 46-VIII-21-1, a partial skeleton, and it is a 3D body fossil. Its type locality is East Slope, Sierra Pampa de Agnía, which is in a Pliensbachian/Toarcian terrestrial tuff/claystone in the Cerro Carnerero Formation of Argentina.

Synonymy list
YearName and author
1947Amygdalodon patagonicus Cabrera
1948Amygdalodon patagonicus Cabrera p. 38
1961Amigdalodon patagonicus Casamiquela p. 13
1963Amygdalodon patagonicus Casamiquela p. 161
1970Amygdalodon patagonicus Steel p. 64
1970Amygdalodon patagonicus Swinton p. 160
1978Amygdalodon patagonicus Bonaparte p. 431
1979Amygdalodon patagonicus Bonaparte p. 227
1979Amygdalodon patagonicus Jain et al. p. 206
1981Amygdalodon patagonicus Bonaparte p. 664
1984Amygdalodon patagonicus Bonaparte p. 134
1986Amygdalodon patagonicus Bonaparte pp. 366-367
1990Amygdalodon patagonicus McIntosh p. 378
1997Amygdalodon patagonicus Novas p. 681
2002Amygdalodon patagonicus Wilson p. 248
2004Amygdalodon patagonicus Upchurch et al. p. 263
2005Amygdalodon patagonicus Salgado and Coria pp. 432-433
2010Amygdalodon patagonicus Carballido and Pol p. 84
2011Amygdalodon patagonicus Saegusa and Tomida p. 248
2013Amygdalodon patagonicus Otero and Reguero p. 6
2015Amygdalodon patagonicus Salgado et al. p. 419

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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
RankNameAuthor
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Saurischia()
—Sauropoda()
—Gravisauria
genusAmygdalodon
speciespatagonicus

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.

†Amygdalodon patagonicus Cabrera 1947
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Diagnosis
ReferenceDiagnosis
J. L. Carballido and D. Pol 2010 Amygdalodon is a sauropod diagnosed by the following unique combination of characters (autapomorpy marked with an asterisk): lateral walls of the neural canal and centropostzygapophyseal laminae flared laterally posteriorly; neural canal strongly flexed anteroposteriorly within the dorsal neural arches; spoon-shaped teeth with low SI values (1.34–1.49); enamel wrinkled forming a pattern of pits and narrow apicobasal sulci*; total absence of denticles in both mesial and distal margins; wear facets extending mostly along one margins of the crowns (modified from Rauhut (2003)).
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 Pliensbachian to the top of the Early/Lower Toarcian or 190.80000 to 182.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Pliensbachian - Early/Lower Toarcian190.8 - 182.0Argentina (Chubut) Amygdalodon patagonicus (type locality: 11923)