Osteology of a perinatal aristonectine (Plesiosauria; Elasmosauridae)

• Published in: Antarctic Science
• Main Authors: O'gorman, Jose Patricio, Talevi, Marianella, Fernández, Marta Susana
• Format: Article in Journal/Newspaper
• Language: English
• Published: Cambridge University Press
• Subjects: KEY WORDS ARISTONECTINAE; MARINE REPTILE; PERINATAL; UPPER CRETACEOUS; WEDDELLIAN PROVINCE; https://purl.org/becyt/ford/1.5; https://purl.org/becyt/ford/1; Argentina; Seymour; Seymour Island; Marambio; isla Marambio; Ross Archipelago; Antarctic Science
• Online Access: http://hdl.handle.net/11336/49655

Perinatal specimens give valuable information about the first stages of vertebrate ontogeny. Here, the morphology and palaeohistology of an aristonectine perinatal specimen from Seymour Island (Isla Marambio), López de Bertodano Formation are analysed. The palaeohistological analysis shows incomplet...