Pararhabdodon (meaning "near fluted tooth" in reference to Rhabdodon) is a genus of tsintaosaurin hadrosaurid dinosaur, from the Maastrichtian-age Upper Cretaceous Tremp Group[a] of Spain. The first remains were discovered from the Sant Romà d’Abella fossil locality and assigned to the genus Rhabdodon, and later named as the distinct species Pararhabdodon isonensis in 1993. Known material includes assorted postcranial remains, mostly vertebrae, as well as maxillae from the skull. Specimens from other sites, including remains from France, a maxilla previously considered the distinct taxon Koutalisaurus kohlerorum, an additional maxilla from another locality, the material assigned to the genera Blasisaurus and Arenysaurus, and the extensive Basturs Poble bonebed have been considered at different times to belong to the species, but all of these assignments have more recently been questioned. It was one of the last non-avian dinosaurs known from the fossil record that went extinct during the Cretaceous-Paleogene extinction event.[1]
Initially, the material was thought to belong to a rhabdodontid dinosaur, or some other similar type of primitive iguanodontian. Later discoveries of additional material revealed its true nature as a hadrosaur. Its placement within the group remained controversial - in 1999 it was proposed it belonged to the subfamily Lambeosaurinae, making it the first known from the continent of Europe. Later studies questioned this, instead classifying it as a more primitive hadrosauroid. In 2009 evidence was put forward that it was indeed a lambeosaurine, and more specifically a close relative of Tsintaosaurus, a genus from China. This position has been repeatedly found since, and the group containing them was later named Tsintaosaurini. A different position, related to other European lambeosaurs in the group Arenysaurini, was proposed in 2020.
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^Serranoa, Jesús F.; Sellés, Albert G.; Vila, Bernat; Galobart, Àngel; Prieto-Márquez, Albert (February 2021). "The osteohistology of new remains of Pararhabdodon isonensis sheds light into the life history and paleoecology of this enigmatic European lambeosaurine dinosaur Author links open overlay panel". Cretaceous Research. 118: 104677. doi:10.1016/j.cretres.2020.104677. S2CID 225110719. Retrieved 3 May 2021.
Pararhabdodon (meaning "near fluted tooth" in reference to Rhabdodon) is a genus of tsintaosaurin hadrosaurid dinosaur, from the Maastrichtian-age Upper...
in Lambeosaurinae with the European genera Pararhabdodon and Koutalisaurus (probable synonym of Pararhabdodon). The position of Tsintaosaurus in the evolutionary...
Parasaurolophini. In more recent years Tsintaosaurini (Tsintaosaurus + Pararhabdodon) and Aralosaurini (Aralosaurus + Canardia) have also emerged. The following...
Eurasia. It is thought to contains the genera Tsintaosaurus (from China), Pararhabdodon (from Spain) and Koutalisaurus (also from Spain), though some studies...
The holotype dentary, IPS SRA 27, had previously been referred to Pararhabdodon in 1999, but comes from a different locality, is based on non-comparable...
with the remains then thought to pertain to a new species of the genus Pararhabdodon. These remains would be formally named and described by Albert Prieto-Márquez...
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