South of Almadén (Ordovician of Spain)

Where: Ciudad Real, Spain (38.8° N, 4.8° W: paleocoordinates 73.8° S, 85.7° E)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Amorphognathus tvaerensis conodont zone, upper Tristani beds Member (Botella Quartzite Formation), Dobrotivian (459.0 - 457.9 Ma)

• Conodont zone estimated by Sarmiento et al. (2011: A brief summary of Ordovician conodont faunas from the Iberian Peninsula. pp. 505-511 in Ordovician of the World, J.C. Gutiérrez-Marco, I. Rábano and D. García-Bellido, eds.),

•The paleontological point of view, the bottom panel member and the base of the upper massive quartzites provided in rare deposits a very particular fauna and trilobites homalonolides dalmanitides (Hammann and Henry 1978; Hammann, 1983; Rábano, 1989a- c), brachiopods (Mélou 1975), conodonts (Sarmiento el al., 1995) and rare graptolites and molluscs.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; quartzite and shale

• dark shales and sandy tempestites

Size class: macrofossils

Preservation: mold/impression

Primary reference: J. C. Gutiérrez-Marco and C. Babin. 1999. Lyrodesma el autres mollusques bivalves des Quartzites Botella (Ordovicien Mayen) de la Zone Centre-ibérique (Espagne). Revista Españlla de Paleontología n° extr. H:229-238 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 174656: authorized by Pete Wagner, entered by Pete Wagner on 20.11.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Modiomorphida - Modiomorphidae
Modiolopsis sp. Hall 1847 clam
 Arcida - Glyptarcidae
Trilobita
 Phacopida - Dalmanitidae
Crozonaspis incerta Deslongchamps 1825 trilobite
 Phacopida - Homalonotidae
Iberocoryphe verneuili Hammann 1977 trilobite
Eohomalonotus sp. Reed 1918 trilobite
"Plaesiocomia oehlerti" = Plaesiacomia oehlerti Kerforne 1900 trilobite