The skull of the Turks and Caicos rock iguana, <i>Cyclura carinata</i> (Squamata: Iguanidae)

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Abstract

We provide a detailed and first description of the skull, hyoid apparatus, and trachea of the Turks and Caicos rock iguana, Cyclura carinata (Squamata: Iguanidae). Cyclura is a radiation of iguanas restricted to islands of the Caribbean Sea. Species of Cyclura have high rates of endemism, and all species are severely threatened with extinction. Our anatomical description of this threatened iguana is based on high-resolution computed tomography scans of one adult, one putative adult or near adult, and one juvenile specimen, and includes three-dimensional segmented renderings and visualizations. We discuss some observations of intraspecific and ontogenetic variation, and provide a brief comparison with specimens of another species of Cyclura and published descriptions of other iguanas. Our study provides a cranial osteological framework for Cyclura and augments the body of knowledge on iguana anatomy generally. Finally, we posit that our description and future studies may facilitate identification of fossil Cyclura, which could help understand the paleobiogeography of the genus.

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Author and article information

Contributors

Chloe Lai

Journal

Journal ID (nlm-ta): PeerJ

Journal ID (iso-abbrev): PeerJ

Journal ID (publisher-id): peerj

Title: PeerJ

Publisher: PeerJ Inc. (San Diego, USA )

ISSN (Electronic): 2167-8359

Publication date (Electronic): 15 July 2024

Publication date Collection: 2024

Volume: 12

Electronic Location Identifier: e17595

Affiliations

[1 ]Museum of Vertebrate Zoology, University of California, Berkeley , Califiornia, United States of America

[2 ]Department of Environmental Science, University of San Francisco , San Francisco, CA, United States of America

Article

Publisher ID: 17595

DOI: 10.7717/peerj.17595

PMC ID: 11257063

PubMed ID: 39026542

SO-VID: 26f2bd2b-5d8c-4a45-8b70-6edfc8bd738a

License:

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited.

History

Date received : 19 January 2024

Date accepted : 28 May 2024

Funding

Funded by: NSF DBI

Award ID: 2109461

This work was supported by NSF DBI (No. 2109461). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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