Pareisactus
Name:
Pareisactus
(intruder).
Phonetic: Pah-rye-sac-tus.
Named By: J. P�rraga and A. Prieto-M�rquez -
2019.
Classification: Chordata, Reptilia, Dinosauria,
Ornithischia, Ornithopoda, Rhabdodontidae.
Species: P. evrostos (type).
Diet: Herbivore.
Size: Unknown due to lack of fossil remains.
Known locations: Spain - Tremp Formation.
Time period: Late Cretaceous.
Fossil representation: Scapula.
The
name Pareisactus means ‘intruder’, and this
came about from the
observation that out of several hundred hadrosaur
bones, a single
fossil of a scapula (shoulder blade) belonging to a rhabdodont
dinosaur was found. This scapula was subsequently used to name the
genus Pareisactus. Like hadrosaurs, rhabdodonts
like Pareisactus
were plant eating dinosaurs. However, most rhabdodonts are known
from the early Cretaceous, but the presence of a rhabdodont bone in a
late Cretaceous deposit shows that some rhabdodonts managed to co-exist
with hadrosaurs.
Further reading
- Pareisactus evrostos, a new basal
iguanodontian (Dinosauria:
Ornithopoda) from the Upper Cretaceous of southwestern Europe. -
Zootaxa 4555(2):247-258. - J. P�rraga and A.
Prieto-M�rquez - 2019.
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