Novel track morphotypes from new tracksites indicate increased Middle Jurassic dinosaur diversity on the Isle of Skye, Scotland.
Journal
PloS one
ISSN: 1932-6203
Titre abrégé: PLoS One
Pays: United States
ID NLM: 101285081
Informations de publication
Date de publication:
2020
2020
Historique:
received:
30
03
2019
accepted:
11
02
2020
entrez:
12
3
2020
pubmed:
12
3
2020
medline:
23
6
2020
Statut:
epublish
Résumé
Dinosaur fossils from the Middle Jurassic are rare globally, but the Isle of Skye (Scotland, UK) preserves a varied dinosaur record of abundant trace fossils and rare body fossils from this time. Here we describe two new tracksites from Rubha nam Brathairean (Brothers' Point) near where the first dinosaur footprint in Scotland was found in the 1980s. These sites were formed in subaerially exposed mudstones of the Lealt Shale Formation of the Great Estuarine Group and record a dynamic, subtropical, coastal margin. These tracksites preserve a wide variety of dinosaur track types, including a novel morphotype for Skye: Deltapodus which has a probable stegosaur trackmaker. Additionally, a wide variety of tridactyl tracks shows evidence of multiple theropods of different sizes and possibly hints at the presence of large-bodied ornithopods. Overall, the new tracksites show the dinosaur fauna of Skye is more diverse than previously recognized and give insight into the early evolution of major dinosaur groups whose Middle Jurassic body fossil records are currently sparse.
Identifiants
pubmed: 32160212
doi: 10.1371/journal.pone.0229640
pii: PONE-D-19-09078
pmc: PMC7065758
doi:
Banques de données
Dryad
['10.5061/dryad.n6f068k']
Types de publication
Historical Article
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
e0229640Déclaration de conflit d'intérêts
JH is sef-employed at the freelance art studio, Art of Ancient Life Limited, this affiliation does not alter our adherence to PLOS ONE policies on sharing data and materials
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