10.5061/DRYAD.40655HR
Malafaia, Elisabete
University of Lisbon
Mocho, Pedro
National University of Distance Education
Escaso, Fernando
National University of Distance Education
Dantas, Pedro
National University of Distance Education
Ortega, Francisco
Data from: Carcharodontosaurian remains (Dinosauria, Theropoda) from the
Upper Jurassic of Portugal
Dryad
dataset
2018
Upper Jurassic
paleobiogeography
Allosauroidea
Theropoda
Carcharodontosauria
Dinosauria
2018-05-17T17:02:07Z
2018-05-17T17:02:07Z
en
https://doi.org/10.1017/jpa.2018.47
77276 bytes
1
CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
A new specimen of a theropod dinosaur found in the Upper Jurassic
(Freixial Formation, late Tithonian) of the Lusitanian Basin is described.
It corresponds to a single individual and includes a sequence of
articulated caudal vertebrae, an almost complete right pes, and other
fragments of the appendicular skeleton. The specimen includes the most
complete pes of a theropod dinosaur currently known in the Lusitanian
Basin and represents one of the youngest skeletal records of theropod
dinosaurs currently known in the Portuguese Upper Jurassic. A systematic
analysis of this specimen is performed and it shows a combination of
characters that allows us to interpret it as belonging to an allosauroid
taxon. Within this clade the material from Cambelas shares a few features
with some carcharodontosaurids, including the presence of a lateral lamina
extending along the anterior end of the centrum in the caudal vertebra and
of a low vertical crest on the lateral surface of the femoral lesser
trochanter. The set of remains described here shares some unusual features
with another specimen previously described in the Portuguese fossil
record, which also presents some synapomorphies of Carcharodontosauria.
However, no autapomorphy or exclusive character combination can be
recognized in the specimen here described in order to describe it as a new
form. The presence of this specimen suggests a greater diversity in the
allosauroid theropod fauna from the Late Jurassic of the Lusitanian Basin
than currently known and probably expands the temporal record of
Carcharodontosauria up to upper Tithonian of south-western Europe.
Malafaiaetal_Supplementary Data 1List of osteological elements collected
in the Cambelas fossil
siteMalafaiaetal_SupplementayData1.pdfMalafaiaetal_Supplementary Data
2Measurements of the caudal vertebrae of
SHN.019.Malafaiaetal_Supplementary Data 3Measurements of the appendicular
elements of SHN.019.
Iberian Peninsula
Lusitanian Basin