"Bone-bed", near El Gigantillo Hill (Triassic of Argentina)

Where: San Juan, Argentina (31.6° S, 67.3° W: paleocoordinates 40.6° S, 30.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Quebrada del Barro Formation (Marayes Group), Norian (228.0 - 208.5 Ma)

• A late Norian age was recently proposed for this formation based on biostratigraphic correlations with the Los Colorados Formation from the neighboring Ischigualasto-Villa Unión Basin

• bed-level stratigraphic resolution

Environment/lithology: fluvial; red, muddy sandstone

Size classes: macrofossils, mesofossils

Collected by R. Martínez et al. in 2012

Collection methods: quarrying, surface (in situ),

• PVSJ, Instituto y Museo de Ciencias Naturales, San Juan, Argentina

Primary reference: R. N. Martínez, C. Apaldetti, G. Correa, C. E. Colombi, E. Fernández, P. S. Malnis, A. Praderio, D. Abelín, L. G. Benegas, A. Aguilar-Cameo, and O. A. Alcober. 2015. A new Late Triassic vertebrate assemblage from northwestern Argentina. Ameghiniana 52(4):379-390 [R. Butler/R. Butler/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 182614: authorized by Richard Butler, entered by Richard Butler on 11.11.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia -
Sauropodomorpha indet. Huene 1932 sauropodomorph
 Pterosauria -
Pterosauria indet. Kaup 1834 pterosaur
PSVJ 913
 Loricata -
Crocodylomorpha indet. Hay 1930 crocodilian
PVSJ 912
 Eosuchia - Sphenodontidae
Sphenotitan leyesi Martinez et al. 2013 lepidosaur
Osteichthyes
 Therapsida - Tritheledontidae
aff. Tritheledontidae "indet. 1" Broom 1912 mammaliamorph
new species 1
aff. Tritheledontidae "indet. 2" Broom 1912 mammaliamorph
new species 2