Countries<Spain<Comunidad Valenciana<Millares< Yacimiento icnológico de Tambuc Este

Yacimiento icnológico de Tambuc Este(Millares)

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Description

These footprints are concentrated in two large groups. Up to 400 footprints are preserved in an area of approximately 30,000 m2 forming the spectacular site declared of Cultural Interest and integrated, as the only Valencian representative, in the candidacy of Dinosaur Ichnites of the Iberian Peninsula.

The municipality is included in the route "Camins de Dinosaures" of the Comunitat Valenciana, for that reason the visit is completed in the same town of a replica of dinosaur to real scale as well as the Museographic collection José Martínez Royo, exhibition space of the paleontology and archaeology of Millares.

The ichnites are located on strata of micritic limestones and laminated stromatolitic limestones, in a subhorizontal arrangement. The limestones are arranged in tabular banks of centimeter to decimeter thickness. They show drying cracks and wave ripples, indicating subaerial exposure conditions (tidal plain environment). A total of 84 complete or fragmentary tridactyl ichnites have been identified. An undetermined number of marks present on the substrate are not mapped because they are not clearly distinguishable from other dissolution marks on the surface of the stratum.

Sixty-two isolated ichnites and 22 ichnites forming part of six traces were identified. The analysis of the orientation of the ichnites determines a preferential direction of NE-SW displacement, with a lower percentage of ichnites with opposite orientation.

The tracks, due to their morphology and size, can be attributed to small to medium-sized theropod and ornithopod dinosaurs. There is some variability in size and shape of the ichnites, so it is not excluded that they were imprinted by dinosaurs of different stages of development within a monospecific population, or by dinosaurs of different taxa.

Two main morphotypes can be distinguished: tridactyl mexaxonic footprints with individualized digit impressions, acute heel, sometimes bilobulated, digit III longer than the others and digits II and III oriented medially, attributable to medium-sized theropod dinosaurs. The tridactylid tracks, with more rounded fingerprints, of equivalent length and width, shorter digits and rounded heel, are morphologies typical of tracks left by ornithopod dinosaurs.

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