A shark turns into an undetermined crocodylian : the case of Acanthias bicarinatus Sismonda, 1849
Walter, Jules Denis ![ORCID Identifier](/img/uab/orcid.ico)
(Università degli Studi di Torino. Dipartimento di Scienze della Terra)
Marramà, Giuseppe ![ORCID Identifier](/img/uab/orcid.ico)
(Università degli Studi di Torino. Dipartimento di Scienze della Terra)
Pavia, Marco ![ORCID Identifier](/img/uab/orcid.ico)
(Università degli Studi di Torino. Dipartimento di Scienze della Terra)
Carnevale, Giorgio ![ORCID Identifier](/img/uab/orcid.ico)
(Università di Torino. Dipartimento di Scienze della Terra)
Delfino, Massimo ![ORCID Identifier](/img/uab/orcid.ico)
(Institut Català de Paleontologia Miquel Crusafont)
Date: |
2024 |
Abstract: |
The holotype and only specimen referred to the Early Miocene shark Acanthias bicarinatus Sismonda, 1849 is housed in the collections of the Museo di Geologia e Paleontologia dell'Università degli Studi di Torino and was collected from the serpentinite sandstone of the middle-late Burdigalian Termofourà Formation of the Torino Hill. The specimen, formerly interpreted as a fragment of a squalid dorsal-fin spine, is reinterpreted herein as an isolated crocodylian tooth. The validity of the species Acanthias bicarinatus is therefore reconsidered and referred to as a nomen dubium. The tooth, replaced while the crocodylian was alive, was deposited in a near-shore marine environment at a time when modern crocodylian lineages were already widespread along the northern sector of the Mediterranean area. |
Rights: |
Tots els drets reservats. ![](/img/licenses/InC.ico) |
Language: |
Anglès |
Document: |
Article ; recerca ; Versió publicada |
Subject: |
Crocodylia ;
Italy ;
Miocene ;
Palaeobiogeography ;
Torino Hill |
Published in: |
Bollettino della Società Paleontologica Italiana, Vol. 63, Num. 1 (February 2024) , p. 83-87, ISSN 0375-7633 |
DOI: 10.4435/BSPI.2024.02
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Record created 2024-05-28, last modified 2024-06-02