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

Where: Argentina (30.0° S, 69.0° W: paleocoordinates 42.0° S, 131.1° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Los Espejos Formation, Wenlock (433.4 - 427.4 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 A. See PBDB Collections 25053-58.

Collection methods: Composite faunal list of elements characteristic of Wenlockian 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 25108: 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
 Rhynchonellida - Leptocoeliidae
"Harringtonina acutiplicata" = Anabaia
"Harringtonina acutiplicata" = Anabaia
 Atrypida - Lissatrypidae
Australina jachalensis
 Orthida - Dalmanellidae
? Dedzetina silurica n. sp.
? Dedzetina silurica n. sp. Racheboeuf and Villeneuve 1992
Strophomenata
 Strophomenida - Rafinesquinidae
Leptaena sp.
Leptaena sp. Dalman 1828
genus name in quotes
 Strophomenida -
? Amosina sp.
 Strophomenida - Leptestiidae
Leangella (Leangella) mutabilis n. sp.