<i>Gyrolithes vidali nov. icnocsp.</i> (Plioceno marino) en el sector Suroccidental de la cuenca del Guadalquivir (área de Palos de la Frontera, Huelva, España).

E. Mayoral

doi:10.3989/egeol.86422-3749

Gyrolithes vidali nov. icnocsp. (Plioceno marino) en el sector Suroccidental de la cuenca del Guadalquivir (área de Palos de la Frontera, Huelva, España).

Authors

E. Mayoral Sección de Geología de la Rábida. Palos de la Frontera (Huelva). Universidad de Sevilla.

DOI:

https://doi.org/10.3989/egeol.86422-3749

Keywords:

Ichnology, Lower Pliocene, Guadalquivir Basin.

Abstract

A new ichnospecies Gyrolithes vidali, is defined for the marine Lower Pliocene at the South-western Sector of the Guadalquivir Basin. The size, helial and vertical desviation angle, internal structure and external wall ornamentation as well as a lower basal camera ending whole the system, are indicatives for their distinction. A pattern of burrowing behavior is proposed. This is made by means of a longitudinal and vertical helical movement. A paleoenvironmental significance is showed. The ichnocoenosis assemblage as settled within a protective offshore environment under a continuous, slow sedimentation rate. The tracemaker of Gyrolithes vidali is discused and a callianasid or thalassinid shrimp origin in assumed.

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Published

1986-06-30

How to Cite

Mayoral, E. (1986). Gyrolithes vidali nov. icnocsp. (Plioceno marino) en el sector Suroccidental de la cuenca del Guadalquivir (área de Palos de la Frontera, Huelva, España). Estudios Geológicos, 42(2-3), 211–224. https://doi.org/10.3989/egeol.86422-3749

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Issue

Vol. 42 No. 2-3 (1986)

Section

Articles

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