''Draconyx'' (meaning "dragon claw") is a genus of dinosaur from the Late Jurassic. It was an
ornithopod
Ornithopoda () is a clade of ornithischian dinosaurs, called ornithopods (), that started out as small, bipedal running grazers and grew in size and numbers until they became one of the most successful groups of herbivores in the Cretaceous world ...
herbivore
A herbivore is an animal anatomically and physiologically adapted to eating plant material, for example foliage or marine algae, for the main component of its diet. As a result of their plant diet, herbivorous animals typically have mouthpart ...
Miguel Telles Antunes
Dr. Miguel Telles Antunes (born 11 January 1937; Lisbon) is a famous Portuguese academic, specializing in paleontology, zooarchaeology, and geology. Antunes is a ranking member of various institutions, including the Lisbon Academy of Sciences, N ...
in
2001
The September 11 attacks against the United States by Al-Qaeda, which Casualties of the September 11 attacks, killed 2,977 people and instigated the global war on terror, were a defining event of 2001. The United States led a Participants in ...
.
Etymology
The type species, known from only partial remains, is ''Draconyx loureiroi''. The generic name is derived from Latin ''draco'', "dragon", and Ancient Greek ὄνυξ, ''onyx'', "claw". The
specific name Specific name may refer to:
* in Database management systems, a system-assigned name that is unique within a particular database
In taxonomy, either of these two meanings, each with its own set of rules:
* Specific name (botany), the two-part (bino ...
palaeontology
Paleontology (), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (roughly 11,700 years before present). It includes the study of fossi ...
.
Material
The holotype, ML 357, a partial skeleton lacking the skull, consists of two maxillary teeth, three caudal centra, one chevron, a distal epiphysis of right humerus, one manual phalanx, three manual unguals, a distal epiphysis of the right femur, the proximal and distal epiphyses of the tibia and fibula, an astragalus, a calcanaeum, three tarsals, four metatarsals and pedal phalanges. It was in 1991 found at Vale de Frades by
Carlos Anunciação
Carlos may refer to:
Places
;Canada
* Carlos, Alberta, a locality
;United States
* Carlos, Indiana, an unincorporated community
* Carlos, Maryland, a place in Allegany County
* Carlos, Minnesota, a small city
* Carlos, West Virginia
;Elsewhe ...
of the
Museu da Lourinhã
Museu da Lourinhã is a museum in the town of Lourinhã, west Portugal. It was founded in 1984 by GEAL - Grupo de Etnologia e Arqueologia da Lourinhã (Lourinhã's Group of Ethnology and Archeology). The president of the Direction Board is Lubélia ...
, in layers of the
Bombarral Unit
Bombarral () is a municipality in the District of Leiria in Central Portugal. The population in 2011 was 13,193, in an area of . It includes four civil parishes ( pt, freguesia) that provide local services.
History
It is known that the area of B ...
dating to the
Tithonian
In the geological timescale, the Tithonian is the latest age of the Late Jurassic Epoch and the uppermost stage of the Upper Jurassic Series. It spans the time between 152.1 ± 4 Ma and 145.0 ± 4 Ma (million years ago). It is preceded by the K ...
.
Histology shows that the holotype specimen was between 27 and 31 years old.
A left femur (ML 434), found near
Praia do Caniçal
Praia (, Portuguese for "beach") is the capital and largest city of Cape Verde.Gregory S. Paul in 2010 estimated the length at 3.5 metres, the weight at 150 kilograms.
Systematics
According to Mateus and Antunes (2001), ''Draconyx loureiroi'' is a member of the Iguanodontia, more specifically the Camptosauridae, based on the maxillary teeth, which have a strong vertical primary ridge on the distal side of the labial crown, and the femur, which is curved and has a prominent lesser trochanter.
A article in 2022 places ''Draconyx'' as a
Styracosterna
Ankylopollexia is an extinct clade of ornithischian dinosaurs that lived from the Late Jurassic to the Late Cretaceous. It is a derived clade of iguanodontian ornithopods and contains the subgroup Styracosterna. The name stems from the Greek word ...