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An ichnofossil-Lagerstatte from the Miocene Vilanova Basin (NE Spain); taphonomic and paleoecologic insights related to bioerosion structures

Zain Belaustegui, Rosa Domenech and Jordi Martinell
An ichnofossil-Lagerstatte from the Miocene Vilanova Basin (NE Spain); taphonomic and paleoecologic insights related to bioerosion structures
Palaios (January 2018) 33 (1): 16-28

Abstract

A new ichnofossil-Lagerstatte from the Miocene Vilanova Basin (NE Spain) is described. It is characterized by bioerosion structures that are exceptionally preserved as positive casts, many associated with internal and external molds of mollusk shells (gastropods and bivalves). Five main ichnotaxa were identified: Caulostrepsis contorta, C. taeniola, Entobia cateniformis, E. geometrica, and Gastrochaenolites dijugus, produced by annelids, sponges and bivalves, respectively. Combination of ichnological, taphonomical, and systematic data allows the concentration to be interpreted as the result of several storm events that mixed shells from a diverse array of marine environments during the biostratinomical phase. Bioerosive episodes took place before and after storms, and diagenetic processes produced external and internal shell molds and fine casts of the borings.


ISSN: 0883-1351
Serial Title: Palaios
Serial Volume: 33
Serial Issue: 1
Title: An ichnofossil-Lagerstatte from the Miocene Vilanova Basin (NE Spain); taphonomic and paleoecologic insights related to bioerosion structures
Affiliation: Universitat de Barcelona, Departament de Dinamica de la Terra i de l'Ocea, Barcelona, Spain
Pages: 16-28
Published: 201801
Text Language: English
Publisher: Society for Sedimentary Geology, Tulsa, OK, United States
References: 71
Accession Number: 2018-036994
Categories: Invertebrate paleontology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 4 plates, geol. sketch map
N41°13'00" - N41°13'00", E01°43'60" - E01°43'60"
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2018, American Geosciences Institute. Reference includes data from GeoScienceWorld, Alexandria, VA, United States. Reference includes data supplied by SEPM (Society for Sedimentary Geology), Tulsa, OK, United States
Update Code: 201809
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