Huanimán [La Paloma Mb.]: Late/Upper Aptian, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Sphenodontidae
Priosphenodon minimus Apesteguia and Carballido 2014
recombined as Kaikaifilusaurus minimus
MPEF-PV 3092, composed of around 20 partial bones from Huanim´an Hill. They include partial jaws, maxillae, and palatines
Reptilia - Testudines - Chelidae
Sterli et al. 2021
see common names

Geography
Country:Argentina State/province:Chubut
Coordinates: 43.1° South, 68.5° West (view map)
Paleocoordinates:44.9° South, 35.8° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Stage:Aptian 10 m.y. bin:Cretaceous 3
Key time interval:Late/Upper Aptian
Age range of interval:122.46000 - 112.03000 m.y. ago
Stratigraphy
Geological group:Chubut Formation:Cerro Barcino Member:Puesto La Paloma
Stratigraphic resolution:bed
Stratigraphy comments: Ages are found Krause et al. 2020 and Carballido et al. 2017. The contact zones between Puesto La Paloma and Cerros Castaño is approximately Aptian-Early Albian at ~118.5-110.8 Ma.
Lithology and environment
Primary lithology: not reported
Includes fossils?Y
Environment:dune
Geology comments: The La Paloma Member is thought to have been deposited in an arid environment dominated by pyroclastic deposits with intercalated dune sediments
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:154712
Authorizer:P. Mannion, E. Vlachos Enterer:J. Tennant, E. Vlachos
Modifier:G. Varnham Research group:vertebrate
Created:2014-03-04 12:13:28 Last modified:2022-03-04 07:39:56
Access level:the public Released:2014-03-04 12:13:28
Creative Commons license:CC BY
Reference information

Primary reference:

50309. S. Apesteguia and J. L. Carballido. 2014. A new eilenodontine (Lepidosauria, Sphenodontidae) from the Lower Cretaceous of central Patagonia. Journal of Vertebrate Paleontology 34(2):303-317 [P. Mannion/J. Tennant]

Secondary references:

79276 J. M. Krause, J. Ramezani, A. M. Umazano, D. Pol, J. L. Carballido, J. P. Sterli Puerta, N. R. Cúneo and E. S. Bellosi. 2020. High-resolution chronostratigraphy of the Cerro Barcino Formation (Patagonia): Paleobiologic implications for the mid-cretaceous dinosaur- rich fauna of South America. Gondwana Research 80:33-49 [P. Mannion/G. Varnham/G. Varnham]
71994 J. Sterli, E. Vlachos, P. Puerta, C. Oriozabala, and M. Krause. 2021. Contribution to the diversity of the fossil record of turtles (Testudinidata) from Chubut province (Argentina) and its significance in understanding the evolution of turtles in southern South America. Publicación Electrónica de la Asociación Paleontológica Argentina 21(1):118-160 [E. Vlachos/E. Vlachos/P. Mannion]