The Cordobés Formation is an Early Devonian (Pragian to Emsian) geologic formation of the Durazno Group in the Paraná Basin in the Durazno Department of central Uruguay. The shallow marine shales preserve trilobite, bivalve, gastropod and brachiopod fossils.Emsian Loc. 1 of Melo: Uraguayan outcrop belt at Fossilworks.orgDaners et al., 2017
Description The Cordobés Formation is characterized by reddish fine shale deposited in a shallow marine environment.
Fossil content The following fossils have been reported from the formation:Melo, 1988 Trilobites Acaste sp. Burmeisteria sp. Metacryphaeus sp. ?Calmonia sp. ?Paracalmonia sp. ?Pennaia sp. Lophophorata Tentaculites sp. Strophomenata Australostrophia sp. Notiochonetes sp. Schuchertella sp. Rhynchonellata Derbyina sp. Australospirifer sp. Australocoelia sp. Lingulata Orbiculoidea sp. Lingula sp. Styliolina sp. "Serpulites" sp. Bivalves Modiolus sp. Modiomorpha sp. Goniophora sp. Pleurodapis sp. Nuculites sp. "Nuculana" sp. Gastropods Encrinaster sp. Plectonotus sp.
See also List of fossiliferous stratigraphic units in Uruguay
References
Bibliography