Brachiopods of the Los Espejos Formation, Ludlovian Part: Ludlow, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Pterobranchia - Graptoloidea - Monograptidae
Monograptidae indet. Lapworth 1873
Strophomenata - Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
Strophomenata - Strophomenida - Leptostrophiidae
Castellaroina fascifer (Kayser 1897)
cf. Leptostrophia sp. Hall and Clarke 1892
Strophomenata - Strophomenida
Amosina fuertensis
Amosina pediculorum n. sp. Benedetto et al. 1992
Amosina paolae n. sp. Benedetto et al. 1992
Strophomenata - Strophomenida - Sowerbyellidae
Plectodonta (Plectodonta) minima n. sp. Benedetto et al. 1992
Rhynchonellata - Atrypida - Lissatrypidae
Australina jachalensis
Rhynchonellata - Orthida - Dalmanellidae
? Isorthis sp. Kozlowski 1929
Isorthis (Protocortezorthis) sp. Walmsley and Boucot 1975
Rhynchonellata - Orthida - Draboviidae
Salopina cf. missendenensis
Salopina sanjuanensis n. sp. Benedetto et al. 1992
Rhynchonellata - Rhynchonellida - Leptocoeliidae
Harringtonina acutiplicata
synonym of Anabaia
Rhynchonellata - Rhynchonellida - Eatoniidae
Clarkeia antisiensis
see common names

Geography
Country:Argentina
Coordinates: 30.0° South, 69.0° West (view map)
Paleocoordinates:45.6° South, 128.4° West
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period:Silurian Epoch:Ludlow
10 m.y. bin:Silurian 2
Key time interval:Ludlow
Age range of interval:427.40000 - 423.00000 m.y. ago
Stratigraphy
Formation:Los Espejos
Stratigraphic resolution:member
Lithology and environment
Primary lithology: mudstone
Secondary lithology: sandstone
Lithology description: In Cerro del Fuerte section, this assemblage is characteristic of Facies B1 and C. See PBDB Collections 25053-58.
Environment:marine indet.
Geology comments: Precordillera. See PBDB Collections 25053-58 for paleoenvironmental discussion.
Taphonomy
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Collection method comments: Composite faunal list of elements characteristic of Ludlovian part of Formation. Cf. PBDB collections 25053-58.
Metadata
Database number:25109
Authorizer:M. Foote Enterer:M. Foote
Modifier:M. Foote Research group:marine invertebrate
Created:2002-08-28 14:48:48 Last modified:2006-09-15 15:13:14
Access level:the public Released:2002-08-28 14:48:48
Creative Commons license:CC BY
Reference information

Primary reference:
7050. 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]