East Slope, Sierra Pampa de Agnía: Pliensbachian - Early/Lower Toarcian, Argentina
collected by A. Piatnitzky, T. Suero 1936

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Branchiopoda
Estheria sp. Ruppell 1837
Casamiquela 1963
Reptilia
Amygdalodon patagonicus n. gen., n. sp. Cabrera 1947
1 specimen
MLP 46-VIII-21-1/2, posterior dorsal vertebra (lectotype)
see common names

Geography
Country:Argentina State/province:Chubut
Coordinates: 44.0° South, 69.5° West (view map)
Paleocoordinates:43.7° South, 26.8° West
Basis of coordinate:based on nearby landmark
Altitude:1188 meters
Geographic resolution:small collection
Time
Period:Jurassic Epoch:Early/Lower Jurassic
*Period:Middle Jurassic *Epoch:Early/Lower - Middle Dogger - Late/Upper Dogger
*International age/stage:Bajocian - Callovian
Key time interval:Pliensbachian - Early/Lower Toarcian
Age range of interval:190.80000 - 182.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Cerro Carnerero
Stratigraphic resolution:bed
Stratigraphy comments: fossiliferous beds rest on Liassic beds with Harpoceras subplanatum, and below the Middle-Upper Jurassic Porphyritic Series. Called the "Cerro Carnerero" beds, which "include the Bajocian in their base and may extend into the Callovian". Rauhut (2003) assigned to late Toarcian-early Aalenian interval and Rauhut (2008) assigned the Cerro Carnerero to Toarcian–Bajocian. The age has been recently refined by Pol et al. (2020) to Pliensbachian-early Toarcian
Lithology and environment
Primary lithology: sandy tuff
Secondary lithology:gray,blue claystone
Includes fossils?Y
Includes fossils?Y
Lithology description: The remains were discovered in a bed of sandy tuff and bluish gray clay, which form part of a continental sedimentary series mixed with porphyritic conglomerates with partly encrusted round pebbles, and bluish gray cineritic clays with sandy intercalations and clays in lesser amounts. (translated from Spanish by M. Carrano)
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Degree of concentration:dispersed
Size of fossils:macrofossils,microfossils
Preservation of anatomical detail:medium
Associated major elements:some
Fragmentation:frequent
Temporal resolution:snapshot
Collection methods and comments
Collection excludes:species names
Collection methods:field collection
Collection size:1 individuals
Reason for describing collection:taxonomic analysis
Collectors:A. Piatnitzky, T. Suero Collection dates:1936
Metadata
Also known as:Cañadón Puelman
Database number:11923
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2001-09-19 08:55:16 Last modified:2022-10-28 14:33:09
Access level:the public Released:2001-09-19 08:55:16
Creative Commons license:CC BY
Reference information

Primary reference:

4208.5% 46620A. Cabrera. 1947. Un saurópodo nuevo del Jurásico de Patagonia. Instituto del Museo de la Universidad Nacional de La Plata, Notas del Mueso de La Plata, Paleontología 12(95):1-17 [M. Carrano/M. Carrano/J. Alroy]

Secondary references:

53960 Anonymous. 1948. Primer dinosaurio Jurásico Argentino [First Argentinean Jurassic dinosaur]. Ciencia: Revista Hispano-Americana de Ciencias Puras y Aplicadas 9:68 [M. Carrano/M. Carrano]
59610 J. F. Bonaparte. 1978. El Mesozoico de America de Sur y sus Tetrapodos [The Mesozoic of South America and its tetrapods]. Opera Lilloana 26:1-596 [M. Carrano/M. Carrano]
55148 J. F. Bonaparte. 1979. Faunas y paleobiogografia de los tetrápodos mesozoicos de América del Sur [Faunas and paleobiogeography of the Mesozoic tetrapods of South America]. Ameghiniana 16(3–4):217-238 [M. Carrano/M. Carrano]
55099 J. F. Bonaparte. 1981. Inventario de los vertebrados Jurásicos de América del Sur [Inventory of the Jurassic vertebrates of South America]. In W. Volkheimer & E. A. Musaccio (ed.), Cuencas Sedimentarias del Jurásico y Cretácico de América del Sur 2:661-684 [M. Carrano/M. Carrano]
65089 A. Cabrera. 1948. El primer dinosaurio jurásico argentino [The first Jurassic Argentinian dinosaur]. Ciencia e Investigación 4(1):37-39 [M. Carrano/M. Carrano]
37021 J. L. Carballido and D. Pol. 2010. The dentition of Amygdalodon patagonicus (Dinosauria: Sauropoda) and the dental evolution in basal sauropods. Comptes Rendus Palevol 9:83-93 [M. Carrano/M. Carrano]
82948 R. M. Casamiquela. 1961. El hallazgo del primer elenco (icnológico) Jurásico de vertebrados terrestres de Latinoamerica (noticia) [The discovery of the first Jurassic (ichnological) cast of terrestrial vertebrates in Latin America (news)]. Revista de la Asociación Geología Argentina 15(1-2):5-14 [M. Carrano/M. Carrano]
7280 R. M. Casamiquela. 1963. Consideraciones acerca de Amygdalodon Cabrera (Sauropoda, Cetiosauridae) del Jurásico Medio de la Patagonia. Ameghiniana 3(3):79-95 [M. Carrano/M. Carrano/M. Carrano]
45986 A. Otero and M. Reguero. 2013. Dinosaurs (Reptilia, Archosauria) at Museo de La Plata, Argentina: annotated catalogue of the type material and Antarctic specimens. Palaeontologia Electronica 16(1):3T:1-24 [P. Mannion/J. Tennant/M. Carrano]
74383 D. Pol, J. Ramezani, K. Gomez, J. L. Carballido, A. Paulina Carabajal, O. W. M. Rauhut, I. H. Escapa and N. R. Cúneo. 2020. Extinction of herbivorous dinosaurs linked to Early Jurassic global warming event. Proceedings of the Royal Society of London B 287:20202310:1-7 [P. Mannion/P. Mannion/P. Mannion]