Endocranial morphology of the petalichthyid placoderm Ellopetalichthys scheii from the Middle Devonian of Arctic Canada, with remarks on the inner ear and neck joint morphology of placoderms

• Published in: Canadian Journal of Earth Sciences
• Main Authors: Castiello, M, Jerve, A, Burton, MG, Friedman, M, Brazeau, M
• Other Authors: Commission of the European Communities
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: NRC Research Press 2020
• Subjects: 04 Earth Sciences; Geology; Arctic; Canada; Ellesmere Island; Labyrinth
• Online Access: http://hdl.handle.net/10044/1/80971; https://doi.org/10.1139/cjes-2020-0005

Petalichthyid and “acanthothoracid” placoderms have taken pivotal positionsin the debate on placoderm—and, by extension, jawed vertebrate—relationships owing to perceived similarities with the jawless vertebrates. Neurocranial characters are integral to current hypotheses of early gnathostome relati...