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
Petalichthyid and “acanthothoracid” placoderms have taken pivotal positions in the debate on placoderm — and, by extension, jawed vertebrate — relationships owing to perceived similarities with certain jawless vertebrates. Neurocranial characters are integral to current hypotheses of early gnathosto...
Published in: | Canadian Journal of Earth Sciences |
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Main Authors: | , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Canadian Science Publishing
2021
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Subjects: | |
Online Access: | http://dx.doi.org/10.1139/cjes-2020-0005 https://cdnsciencepub.com/doi/full-xml/10.1139/cjes-2020-0005 https://cdnsciencepub.com/doi/pdf/10.1139/cjes-2020-0005 |