A Mississippian trackway (Pseudobradypus ichnosp.) from the Enragé Formation, New Brunswick, Canada

Auteurs-es

  • Nadine J. Wood Steinhammer Palaeontology Laboratory, Natural Science Department, New Brunswick Museum, Saint John, New Brunswick E2K 1E5, Canada
  • Randall F. Miller Steinhammer Palaeontology Laboratory, Natural Science Department, New Brunswick Museum, Saint John, New Brunswick E2K 1E5, Canada

DOI :

https://doi.org/10.4138/5648

Résumé

A tetrapod trackway, identified as Pseudobradypus ichnosp., from the Upper Mississippian Enragé Formation represents one of the few occurrences of fossil vertebrate tracks documented in New Brunswick. It was collected from red mudstone near Green Creek, Upper Rockport, New Brunswick on the Maringouin Peninsula. The Enragé Formation is Namurian age and is the top of the Mabou Group in New Brunswick. As Pseudobradypus is often attributed to a captorhinomorph reptile trackmaker, this specimen may be considered among the early evidence for reptiles (amniotes). RÉSUMÉ Un sillon de tétrapode, identifié à titre de Pseudobradypus ichnosp., de la Formation du Mississippien supérieur d’Enragé, représente l’un des rares cas de présence d’empreintes de vertébré fossile documentés au Nouveau-Brunswick. On a prélevé ces empreintes dans du mudstone rouge près de la crique Green, à Upper Rockport (Nouveau-Brunswick), sur la péninsule de Maringouin. La Formation d’Enragé remonte au Namurien et se trouve au sommet du groupe de Mabou au Nouveau-Brunswick. Comme on rattache souvent le Pseudobradypus à un reptile captorhinomorphe auteur d’empreintes, ce spécimen peut être considéré comme l’un des premiers signes de la présence des reptiles (amniotes).

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Comment citer

Wood, N. J., & Miller, R. F. (2007). A Mississippian trackway (Pseudobradypus ichnosp.) from the Enragé Formation, New Brunswick, Canada. Atlantic Geoscience, 43, Pages 180 – 186. https://doi.org/10.4138/5648

Numéro

Vol. 43 (2007)

Rubrique

Articles

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