Cryptic diversity in the genus Croisettea (Kallymeniaceae, Rhodophyta) from Hawaiian mesophotic reefs

Cabrera, Feresa P.; Huisman, John M.; Spalding, Heather L.; Kosaki, Randall K.; Smith, Celia M.; Sherwood, Alison R.

doi:10.1080/00318884.2022.2096823

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Cryptic diversity in the genus Croisettea (Kallymeniaceae, Rhodophyta) from Hawaiian mesophotic reefs

2022
By Cabrera, Feresa P. ; Huisman, John M. ; Spalding, Heather L. ; ...
Source: Phycologia, 61(6), 572-583

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Journal Title:

Phycologia
Personal Author:

Cabrera, Feresa P. ; Huisman, John M. ; Spalding, Heather L. ; Kosaki, Randall K. ; Smith, Celia M. ; ... More +

Cabrera, Feresa P. ; Huisman, John M. ; Spalding, Heather L. ; Kosaki, Randall K. ; Smith, Celia M. ; Sherwood, Alison R. Less -
NOAA Program & Office:

NOS (National Ocean Service) ; ONMS (Office of National Marine Sanctuaries)

NOS (National Ocean Service) ; ONMS (Office of National Marine Sanctuaries) Less -
Description:

Recent investigations into the species diversity of red blades in Hawai‘i have yielded several specimens of Kallymeniaceae from Hawaiian Mesophotic Coral Ecosystems. Our combined morphological and mitochondrial COI-5P and plastid rbcL phylogenetic analyses indicated widespread cryptic diversity among those specimens commonly identified as Kallymenia sensu lato based on morphology. These analyses resolved four unique genetic lineages of Hawaiian taxa in the genus Croisettea, which are all restricted to the lower mesophotic depths (c. 60–150 m). Croisettea currently includes three described species distributed in the North Atlantic, Indian and South Pacific Oceans, and the Mediterranean Sea. Croisettea is a new genus record for the Hawaiian Islands, expanding its biogeographic range to the North Pacific. The genus has now been enlarged to include seven species comprising previously described taxa as well as four new Hawaiian taxa (C. kalaukapuae sp. nov., C. haukoaweo sp. nov., C. ohelouliuli sp. nov. and C. pakualapa sp. nov.). The known distributions of the Hawaiian Croisettea species are restricted to areas around their type localities. Although this pattern hints at a remarkable degree of endemicity, both across depth gradients in a reef area and among islands, it is also linked to a limited sampling of the group, suggesting that additional species, and more accurate distributional ranges, remain to be detected not only in Hawai‘i but also worldwide.
Keywords:

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Aquatic Science Plant Science
Source:

Phycologia, 61(6), 572-583
DOI:

https://doi.org/10.1080/00318884.2022.2096823
ISSN:

0031-8884;2330-2968;
Format:

PDF
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Informa UK Limited
Document Type:

Journal Article
Funding:

Grant no. NA07NOS4780187 ; Grant no. NA07NOS478190 ; Grant no. NA09OAR4300219 ; Grant no. NA05OAR4301108

Grant no. NA07NOS4780187 ; Grant no. NA07NOS478190 ; Grant no. NA09OAR4300219 ; Grant no. NA05OAR4301108 Less -
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https://creativecommons.org/licenses/by-nc-nd/4.0/
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CC BY-NC-ND
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urn:sha256:38d6a70a3698ce4e341927ede2c4fbc54034613d304a2cf0abbbd0fe980b5aa3
Download URL:

https://repository.library.noaa.gov/view/noaa/52747/noaa_52747_DS1.pdf
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Cryptic diversity in the genus Croisettea (Kallymeniaceae, Rhodophyta) from Hawaiian mesophotic reefs

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