Lower Oretanian shale & siltstone beds, Aragoncillo (Ordovician of Spain)

Where: Guadalajara, Spain (40.9° N, 2.1° W: paleocoordinates 71.0° S, 89.7° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Didymograptus artus graptolite zone, Villar del Salz Formation, Oretanian (468.0 - 459.0 Ma)

• Overlies Armorican Quartzite. Underlies San Marcos.

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified shale and siltstone

• shale & siltstone

Size class: macrofossils

Preservation: mold/impression

Primary reference: P. Herranz Araújo, J. C. Gutiérrez–Marco, A. P. Pieren Pidal, M. Robardet, M. A. San José Lancha, I. Rábano, and G. N. Sarmiento. 2003. The Ordovician succession from the western Iberian Ranges (NE Spain): a review with new data. In G. L. Albanesi, M. S. Beresi, S. H. Peralta (eds.), Ordovician from the Andes 17:417-424 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 194896: authorized by Pete Wagner, entered by Pete Wagner on 06.07.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

• Bivalve taxonomy
Pterobranchia
 Graptoloidea - Dichograptidae
"Didymograptus artus" = Didymograptus (Didymograptus) artus
"Didymograptus artus" = Didymograptus (Didymograptus) artus Elles and Wood 1901 graptolite
Elles and Wood
Trilobita
 Phacopida - Homalonotidae
Platycoryphe sp. Foerste 1919 trilobite
 Asaphida - Asaphidae
Asaphellus sp. Callaway 1877 trilobite