Abstract：
:We describe a new species of an ornithischian dinosaur, Isaberrysaura mollensis gen. et sp. nov. The specimen, consisting in an almost complete skull and incomplete postcranium was collected from the marine-deltaic deposits of the Los Molles Formation (Toarcian-Bajocian), being the first reported dinosaur for this unit, one of the oldest from Neuquén Basin, and the first neornithischian dinosaur known from the Jurassic of South America. Despite showing a general stegosaurian appearance, the extensive phylogenetic analysis carried out depicts Isaberrysaura mollensis gen. et sp. nov. as a basal ornithopod, suggesting that both Thyreophora and neornithischians could have achieved significant convergent features. The specimen was preserved articulated and with some of its gut content place in the middle-posterior part of the thoracic cavity. Such stomach content was identified as seeds, most of them belonging to the Cycadales group. This finding reveals a possible and unexpected role of this ornithischian species as seed-dispersal agent.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Salgado L,Canudo JI,Garrido AC,Moreno-Azanza M,Martínez LC,Coria RA,Gasca JMdoi
10.1038/srep42778subject
Has Abstractpub_date
2017-02-16 00:00:00pages
42778issn
2045-2322pii
srep42778journal_volume
7pub_type
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