Rio Salinas, Tinu, Tu-43.0 (Ordovician of Mexico)

Where: Oaxaca, Mexico (17.4° N, 97.2° W: paleocoordinates 16.2° S, 105.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Paltodus deltifer conodont zone, Rio Salinas Member (Tinu Formation), Tremadocian (485.4 - 477.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

• upper Rio Salinas Member: shoaling-up succession
• nodular carbonates in the shale-sandstone-dominated upper Rio Salinas 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 106264: authorized by Wolfgang Kiessling, entered by Uta Merkel on 04.03.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Lingulata
 Lingulida - Obolidae
? Lingulella sp. Salter 1866
Obolinae indet. King 1846
 Siphonotretida - Siphonotretidae
Oaxaquiatreta sp. Streng et al. 2011
 Acrotretida - Acrotretidae
Semitreta sp. Biernat 1973
Eurytreta cf. campaniformis Krause and Rowell 1975