New Middle to ?Late Jurassic dinosaur tracksites in the Central High Atlas Mountains, Morocco

Author:

Oussou Ahmed1ORCID,Falkingham Peter L.2ORCID,Butler Richard J.3ORCID,Boumir Khadija1ORCID,Ouarhache Driss1ORCID,Ech-charay Kawtar1ORCID,Charrière André4,Maidment Susannah C. R.35ORCID

Affiliation:

1. GERA Laboratory, Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdellah University, Fez, Morocco

2. School of Biological and Environmental Sciences, Liverpool John Moores University, Liverpool, UK

3. School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, UK

4. Toulouse III University, Anduze, France

5. Fossil Reptiles, Amphibians and Birds Section, Natural History Museum, London, UK

Abstract

Besides bones, fossil tracks and trackways are important sources of knowledge about dinosaur palaeobiology. Here, we report three new tracksites from two different synclines in the Imilchil area, Central High Atlas, Morocco. The tracks and trackways are preserved in fluvial deposits in different levels of the Isli Formation (Early Bathonian–?Upper Jurassic), and contain impressions made by sauropods, theropods and ornithopods, as well as tracks that might represent bird-like non-avian theropod dinosaurs. In addition to traditional field measurements, three-dimensional digital models of the track sites were created using photogrammetry. These new tracksites add to the rich faunal ichnoassemblage already recorded from the High Atlas Mountains and North Africa, which is considerably richer than the contemporaneous body fossil record, and also provide new data on dinosaurs–substrate interactions.

Publisher

The Royal Society

Subject

Multidisciplinary

Reference68 articles.

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3. Crocodylomorph, turtle and mammal tracks in dinosaur-dominated Middle–?Upper Jurassic and mid-Cretaceous ichnoassemblages of Morocco

4. Footprints of Batrachopus isp. From the Imilchil megatracksite. Middle? - Upper Jurassic, central High Atlas (Morocco)

5. Polyonyx-like tracks from Middle-?Upper Jurassic red beds of Morocco: Implications for sauropod communities on southern margins of tethys

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