Brachiopods of the Los Espejos Formation, Pridolian Part (Silurian of Argentina)

Where: Argentina (30.0° S, 69.0° W)

• Paleocoordinates: 74.7° S, 169.8° W (Wright 2013)

• coordinate estimated from map

• local area-level geographic resolution

When: Los Espejos Formation, Pridoli (423.0 - 419.2 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; mudstone and sandstone

• Precordillera. See PBDB Collections 25053-58 for paleoenvironmental discussion.
• In Cerro del Fuerte section, this assemblage is characteristic of Facies B2. See PBDB Collections 25053-58.

Collection methods: Composite faunal list of elements characteristic of Pridolian part of Formation. Cf. PBDB collections 25053-58.

Primary reference: J. L. Benedetto, P. R. Racheboeuf, Z. Herrera, E. D. Brussa, and B. A. Toro. 1992. Brachiopodes et biostratigraphie de la Formation de Los Espejos, Siluro-Devonien de la Precordillere (NW Argentine). Géobios 25(5):599-637 [M. Foote/M. Foote/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 25110: authorized by Michael Foote, entered by Michael Foote on 28.08.2002

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Rhynchonellida - Leptocoeliidae
"Harringtonina acutiplicata" = Anabaia
"Harringtonina acutiplicata" = Anabaia
 Rhynchonellida - Eatoniidae
Clarkeia sp. n. sp.
Clarkeia sp. n. sp.
 Athyridida - Anoplothecidae
Coelospira extensa
 Orthida - Dalmanellidae
Isorthis (Protocortezorthis) cuyanum n. sp.
 Orthida - Draboviidae
Salopina sanjuanensis n. sp.
Salopina sanjuanensis n. sp. Benedetto et al. 1992
Strophomenata
 Strophomenida - Strophochonetidae
Amosina fuertensis, Amosina paolae n. sp., Amosina pediculorum
Amosina paolae n. sp. Benedetto et al. 1992
Amosina pediculorum Benedetto et al. 1992
 Strophomenida - Sowerbyellidae
Plectodonta (Plectodonta) minima n. sp.
Plectodonta (Plectodonta) minima n. sp. Benedetto et al. 1992
 Strophomenida - Rafinesquinidae
Leptaena argentina
Leptaena argentina Thomas 1905