Primera cita de un Blastoideo Coronado en el Ordovícico superior de Sierra Morena oriental

  1. M. D. Gil Cid 1
  2. P. Domínguez 1
  3. M C. Cruz
  4. M. Escribano 1
  1. 1 Universidad Complutense de Madrid
    info

    Universidad Complutense de Madrid

    Madrid, España

    ROR 02p0gd045

Journal:
Revista de la Sociedad Geológica de España

ISSN: 0214-2708

Year of publication: 1996

Volume: 9

Issue: 3-4

Pages: 253-268

Type: Article

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Abstract

In this paper we describe a coronate blastoid from Upper Caradocian sediments near El Viso del Marqués (Ciudad Real Province, SW Central Spain). The new material enables us to analyse the phylogeny of the coronates and discuss their systematic position and mode of life. We consider the respiratory system (the coronate processes) as a primitive type of hydrospira, homologous with that of the Eublastoidea. We also document the first case of of allometric growth reported in Coronata.

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