Tambolar Formation Brachiopods, Portezuelo de Tambolar locality (Silurian to of Argentina)

Where: Argentina (31.3° S, 69.0° W: paleocoordinates 46.0° S, 128.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Tambolar Formation, Ludlow to Ludlow (427.4 - 419.2 Ma)

• Just below base of Talacasto formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; sandstone and shale

• Precordillera Central. See collection 25096.
• Shelly sandstone bed near top of sequence of green shales and sandstones.. Cross stratification, hummocky cross beds.

Primary reference: J. L. Benedetto and M. Franciosi. 1998. Braquiopodos Siluricos de las Formaciones Tambolar y Rinconada en la Precordillera de San Juan, Argentina. Ameghiniana 35(2):115-132 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 25097: authorized by Michael Foote, entered by Michael Foote on 28.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Athyridida - Nucleospiridae
Nucleospira sp.
Nucleospira sp. Hall 1859
 Atrypida - Lissatrypidae
Australina jachalensis
 Rhynchonellida - Eatoniidae
Clarkeia tambolarensis
 Orthida - Draboviidae
Salopina cf. missendenensis
 Orthida - Dalmanellidae
Isorthis sp.
Isorthis sp. Kozlowski 1929