Re: 5 new dinosaur related papers on Geogaceta

[Jose Ignacio Ruiz-Omeñaca <jigruiz@gmail.com>]

I'm sorry,
I got confused when copy/paste the abstracts of Herrero-Gascon &
Perez-Lorente, and Boutakiout et al. Here are:

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J. Herrero-Gascon & F. Perez-Lorente. 2012. El Rompido (Aguilar del
Alfambra). Icnitas de dinosaurios en la Formacion Villar del
Arzobispo. Teruel. Geogaceta, 51, 39-42.

http://www.sociedadgeologica.es/archivos/geogacetas/geo51/art10.pdf

ABSTRACT: In the proximities of Aguilar del Alfambra’s village, has
been found a new dinosaur tracksite in the Villar del Arzobispo
Formation. The ichnological content is composed of: a) very small
theropod and sauropod footprints that probably belong to two different
dinosaur herds or groups; b) two enormous probably sauropod prints,
not related with the previous ones; and c) two groups of enigmatic
ichnites. The theropod prints were printed on the sauropods, and they
show typical structures of the movement of the nails and distal part
of the toes in the phase in which the foot leaves the ground contact
(Phase K). The tracksite is in a very old trench excavated probably
for benefit of red clays and silt. Almost all the footprints (theropod
and small sauropods) are repeated in the different outcrops of the
tracksite. Only the two big supposed sauropod footprints are, each in
an outcrop.

Key-words: Footprints, dinosaurs, structures, Lower Cretaceous, Iberian Range.
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M. Boutakiout, J. Nouri, L. Ladel, I. Diaz-Martinez & F.
Perez-Lorente. 2012. El yacimiento de icnitas de dinosaurio 34IGR.
Iouaridene, Alto Atlas Central. Marruecos. Geogaceta, 51, 43-46.

http://www.sociedadgeologica.es/archivos/geogacetas/geo51/art11.pdf

ABSTRACT: In this article is studied a new ichnological site (34IGR)
of the Synclinal of Iouaridene already mentioned by the authors though
still not described. The footprints are characterized by the
ichnological heterogeneity and irregularity of his forms and
dimensions. Both biomorphic and morphometricv characters answer to the
variability showed in the ensemble of sinclinal sites relative to the
biological diversity and to the morphology and structural response
induced on the footprints by the physical characteristics of the mud.
This site is also an expression of the evolution of the basin since he
is in a sector that alone has one ichnological bed, against the
deposits of the western part in which has been detected the
overlapping of a number, still not assessed, of beds and levels with
footprints.

Key-words: Footprints, dinosaur diversity, Upper Jurassic, Iouaridene
formation, Morocco.


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Jose Ignacio Ruiz-Omenaca
Museo del Jurasico de Asturias (MUJA)
E-33328 Colunga, Spain
www.dinoastur.com
www.museojurasicoasturias.com
www.aragosaurus.com
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