Ñumí River tracksite (Jurassic of Mexico)

Also known as Numi, Tlaxiaco

Where: Oaxaca, Mexico (17.3° N, 97.7° W: paleocoordinates 8.7° N, 47.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Zorrillo-Taberna Indiferenciadas Formation, Bajocian (170.3 - 168.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; fine-grained sandstone and carbonaceous shale

Size class: macrofossils

Preservation: cast, trace

Collected by M. P. Velasco-de León

Collection methods: surface (float), surface (in situ),

Primary reference: R. A. Rodríguez-de la Rosa, M. P. Velasco-de León, J. Arellano-Gil and D. E. Lozano-Carmona. 2018. Middle Jurassic ankylosaur tracks from Mexico. Boletín de la Sociedad Geológica Mexicana 70(2):379-395 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 224056: authorized by Matthew Carrano, entered by Matthew Carrano on 10.01.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Ginkgoopsida
 Ginkgoales -
Sphenobaiera sp. Florin 1936
 Bennettitales -
 Coniferales - Podocarpaceae
Trigonocarpus
  -
Reptilia
 Theropoda -
Theropoda indet. Marsh 1881 theropod
 Saurischia -
Sauropoda indet. Marsh 1878 sauropod
 Ornithischia - Tetrapodosauridae
Tetrapodosaurus sp. Sternberg 1932 ornithopod
CFZ-Zt 305, 306