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Journal article
Medlinella amphoroidea gen. et sp. nov. (Bacillariophyta) from the neck skin of Loggerhead sea turtles (Caretta caretta)
Phytotaxa, v 272(2), pp 101-114
29 Aug 2016
Abstract
Medlinella amphoroidea gen. et sp. nov. is described from the dorsal neck skin of loggerhead sea turtles (Caretta caretta). The presence of girdle septa, multiple copulae, and the marine epizoic habitat of Medlinella amphoroidea are characteristic features shared with many species in the similar Tripterion, Chelonicola, and Poulinea genera. The semi-lanceolate valve shape, the asymmetric valve face with distinct dorsal and ventral striae, and the volate pore occlusions distinguish Medlinella from these genera. Medlinella amphoroidea accounted for up to 50% of all diatom valves on the skin of examined loggerhead turtles. Examination of the type slides of Tripterion kalamensis and T. philoderma for comparative purposes revealed morphological features that were either insufficiently or incorrectly described in the original publications. Our observations confirm that T. philoderma lacks septa and therefore does not conform to the genus description of Tripterion. The description of cingulum structure in Tripterion kalamensis is amended to identify multiple porose copulae that are open at one end. While the description of Medlinella creates another monotypic genus within a group of similar marine epizoic genera, we feel the novel character state (volate occlusions) present in this taxon is significant. Clearly, however, further phylogenetic analysis of morphological, or the development of molecular characters in the group of similar genera is required.
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Details
- Title
- Medlinella amphoroidea gen. et sp. nov. (Bacillariophyta) from the neck skin of Loggerhead sea turtles (Caretta caretta)
- Creators
- Thomas A. Frankovich - Florida International UniversityMatt P. Ashworth - The University of Texas at AustinMichael J. Sullivan - 130 Martinique Drive, Madison, MS 39110, USA.Jana Vesela - Academy of Natural Sciences of Drexel UniversityNicole I. Stacy - Florida College
- Publication Details
- Phytotaxa, v 272(2), pp 101-114
- Publisher
- Magnolia Press
- Number of pages
- 14
- Grant note
- SEM imaging at the University of Texas at Austin University of Florida Aquatic Animal Health Program George Barley Scholars Program of the University of Virginia
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- [Retired Faculty]
- Web of Science ID
- WOS:000388740100001
- Scopus ID
- 2-s2.0-84984801071
- Other Identifier
- 991019168716804721
InCites Highlights
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Plant Sciences