Ammonoid morphotypes from the upper Albian of the Basque-Cantabrian Basinpalaeoecology and relationship with the sedimentary facies
- J. Burgos 1
- M.A. López-Horgue 1
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1
Universidad del País Vasco/Euskal Herriko Unibertsitatea
info
Universidad del País Vasco/Euskal Herriko Unibertsitatea
Lejona, España
ISSN: 0213-683X
Argitalpen urtea: 2019
Zenbakien izenburua: Comunicaciones presentadas en la LXVI Sesión Científica / Leioa (Bilbao), 24 de mayo de 2019
Zenbakia: 66
Orrialdeak: 67-70
Mota: Artikulua
Beste argitalpen batzuk: Geogaceta
Laburpena
In this work we present a morphological study of 65 planispiral ammonoid specimens occurring in the stratigraphic succession of the lower upper Albian of the central region of the Basque-Cantabrian Basin, northern Spain. The specimens correspond to the Zones of the ammonoids Hysteroceras varicosum and Mortoniceras inflatum. They are grouped into different morphotypes following the method of “Westerman Morphospace” which suggests diverse habitats for ammonoids, based on shell architecture and shape. The objective of this work is to check the likely correspondence of the suggested habitats with the information given by sedimentology. Accordingly, it has been possible to establish a distribution of the ammonoid ecomorphotypes demersal, nektonic, planktonic and vertical migrant, from shallow (neritic) to deeper marine areas (epipelagic to mesopelagic). The distribution of these ecomorphotypes with different bathimetric affinities is in agreement with the environmental interpretation of sedimentological data.
Finantzaketari buruzko informazioa
This work has been funded by Geoga- rapen-Basque Coast Geopark (research contract 3015 OTRI-UPV/EHU-2016), the research project CGL2014-52096-P (Spa nish Research System-MCIN), and the Eusko Jaurlaritza financial support to Research Groups IT834-13 and IT1044-16. We kindly acknowledge the valuable revisions made by Drs. Humberto Astibia and Blanca Martínez.Finantzatzaile
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- CGL2014-52096-P