LS 970, Los Sombreros section, western Argentina (Cambrian of Argentina)

Where: Mendoza, Argentina (32.0° S, 69.0° W: paleocoordinates 42.0° S, 125.5° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Los Sombreros Formation, St Davids (509.0 - 497.0 Ma)

• Allochthonous boulder within Ordovician sediments, yielded only conodonts of Cordylodus proavus BIozone

Environment/lithology: slope; shelly/skeletal packstone

• Intraclast packstone with trilobites, algae, and hyoliths.

Primary reference: L. E. Holmer, L. Popov, and O. Lehnert. 1999. Cambrian phosphatic brachiopods from the Precordillera of western Argentina. GFF 121:227-242 [A. McGowan/A. McGowan]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 55945: authorized by Alistair McGowan, entered by Alistair McGowan on 09.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Lingulata
 Acrotretida - Acrotretidae
Picnotreta robusta n. sp., Dactylotreta sanjuanensis n. sp.
Picnotreta robusta n. sp. Holmer et al. 1999