Arauz Formation
# Arauz Formation

The Arauz Formation is an Emsian fossiliferous stratigraphic unit in Spain. It is a member of the Abadia Group. It is situated in the Province of Palencia, North Spain. It is in the north of Natural Park of Fuentes Carrionas and Fuente Cobre-Montaña Palentina where the Rio Arauz lies. It is from the Devonian of Spain.

## Fossil content

The following fossils have been reported from the formation:

* Trilobites
   * Kayserops obsoletus
   * Metacanthina cf. asnoensis
   * Leonaspis sp.
   * Metacanthina sp.
   * Odontochile sp.
   * Otarion (Maurotarion) sp.
   * Xiphogonium sp.
   * Phacopida indet.
* Cephalopods
   * Erbenoceras advolvens
   * Fidelites ruppachensis
   * Gyroceratites gracilis
   * G. aff. laevis
   * Latanarcestes (Latanarcestes) noeggerathi
   * Mimagoniatites bohemicus
   * Mimosphinctes sp.
* Corals
   * Cleistodictyum porosum
   * Pleurodictyum microspinosum
   * Procterodictyum polentinoi
   * Combophyllum sp.
   * Rugosa indet.
* Conodonts
   * Icriodus bilatericrescens
   * I. corniger
   * I. culicellus
   * I. fusiformis
   * I. sigmoidalis
   * Ozarkodina steinhornensis
   * Polygnathus dehiscens
   * P. gronbergi
   * P. perbonus
   * Icriodus sp.
* Tentaculita
   * Nowakia barrandei
   * N. cancellata
   * N. elegans
   * N. richteri
* Rhynchonellata
   * Arduspirifer arduennensis
   * Bifida lepida
   * Euryspirifer paradoxus
   * Holynatrypa mirabilis
   * Mauispirifer scutiformis
   * Prokopia bouskai
   * Schizophoria vulvaria
* Strophomenata
   * Bojodouvillina (Bojodouvillina) morzakeci
   * Crinostrophia aff. elegans
   * Eodevonaria cf. jahnkei
   * Plectodonta (Dalejodiscus) minor
   * Strophochonetes sp.
