Rio Salinas, Tinu, Tu-5.7 (Cambrian of Mexico)

Where: Oaxaca, Mexico (17.4° N, 97.2° W: paleocoordinates 13.0° S, 108.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Yudachica Member (Tinu Formation), Sunwaptan (498.5 - 485.4 Ma)

• Furongian stage 10

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified wackestone

• shallow subtidal, wave-dominated, slightly dysoxic facies
• carbonate horizon (mainly wacke- to grainstone) in the middle part of the 12-13 m thick shale-carbonate Yudachica Member

Size class: macrofossils

Preservation: cast

Primary reference: M. Streng, B. B. Mellbin, E. Landing and J. D. Keppie. 2011. Linguliform brachiopods from the terminal Cambrian and lowest Ordovician of the Oaxaquia Microcontinent (southern Mexico). Journal of Paleontology 85(1):122-155 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 106257: authorized by Wolfgang Kiessling, entered by Uta Merkel on 04.03.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Lingulata
 Lingulida - Obolidae
Obolinae indet. King 1846
 Siphonotretida - Siphonotretidae
Oaxaquiatreta labrifera n. gen. n. sp.
Oaxaquiatreta labrifera n. gen. n. sp. Streng et al. 2011
 Acrotretida - Acrotretidae
Acrotretidae "indet. A" Schuchert 1893
Tapuritreta reclinata n. sp. Streng et al. 2011
Eurytreta cf. campaniformis Krause and Rowell 1975