First pachycormiform (Actinopterygii, Pachycormiformes) remains from the Late Jurassic of the Antarctic Peninsula and remarks on bone alteration by recent bioeroders

• Published in: Journal of Vertebrate Paleontology
• Main Authors: Gouiric Cavalli, Soledad, Rasia, Luciano Luis, Marquez, Gonzalo Javier, Rosato, Vilma Gabriela, Scasso, Roberto Adrian, Reguero, Marcelo Alfredo
• Format: Article in Journal/Newspaper
• Language: English
• Published: Society of Vertebrate Paleontology
• Subjects: Pachycormiformes; Fossile osteichyan; Antarctica; Lichens; Bioerosion; https://purl.org/becyt/ford/1.5; https://purl.org/becyt/ford/1; https://purl.org/becyt/ford/1.6; Antarctic; The Antarctic; Antarctic Peninsula; Argentina; Nordenskjöld; Antarc*
• Online Access: http://hdl.handle.net/11336/117161

We describe osteichthyan remains from the Upper Jurassic of the Ameghino (= Nordenskjöld) Formation of the Antarctic Peninsula. The fossils are referred to a suspension-feeding pachycormid based on the shape, morphology, and presence of acus fanunculi (needle teeth) on their gill rakers. Due to the...