A revision of the genus Littorina (Mollusca: Gastropoda) in Korea

Littorina Férussac, 1822 is an abundant genus of small gastropods found in the upper littoral zone of rocky seashores worldwide. Although ecologically important, shell-based species identification in this genus is challenging due to phenotypic variation in shell morphology and lack of diagnostic cha...

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Main Authors: Yucheol Lee, Youngjae Choe, Elizabeth M. A. Kern, Yeongheon Shin, Taeho Kim, Joong-Ki Park
Format: Article
Language:English
Published: Taylor & Francis Group 2018-11-01
Series:Animal Cells and Systems
Subjects:
Online Access:http://dx.doi.org/10.1080/19768354.2018.1545697
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author Yucheol Lee
Youngjae Choe
Elizabeth M. A. Kern
Yeongheon Shin
Taeho Kim
Joong-Ki Park
author_facet Yucheol Lee
Youngjae Choe
Elizabeth M. A. Kern
Yeongheon Shin
Taeho Kim
Joong-Ki Park
author_sort Yucheol Lee
collection DOAJ
description Littorina Férussac, 1822 is an abundant genus of small gastropods found in the upper littoral zone of rocky seashores worldwide. Although ecologically important, shell-based species identification in this genus is challenging due to phenotypic variation in shell morphology and lack of diagnostic characters among morphologically similar species. In this study, we revised the taxonomy of Korean Littorina species using morphological characters (shell and radula) and cox1 mitochondrial DNA sequences for three Korean species: L. brevicula, L. sitkana, and L. horikawai. Results suggest that L. sitkana was erroneously reported as L. kasatka in a previous study. A new record for Littorina horikawai (Matsubayashi & Habe in Habe, 1979), previously unknown from Korea, is described, which can be distinguished from L. sitkana by the presence of alternating white and brown spiral ribs on each whorl. Comparison of the mtDNA cox1 gene sequences shows very low intraspecific variation even between geographically distant populations. A phylogenetic tree supports a close relationship between L. horikawai and L. sitkana, consistent with earlier phylogenetic studies.
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spelling doaj.art-2420f6d98aa44c4a97ba09de0c9378b52022-12-21T23:24:53ZengTaylor & Francis GroupAnimal Cells and Systems1976-83542151-24852018-11-0122641542010.1080/19768354.2018.15456971545697A revision of the genus Littorina (Mollusca: Gastropoda) in KoreaYucheol Lee0Youngjae Choe1Elizabeth M. A. Kern2Yeongheon Shin3Taeho Kim4Joong-Ki Park5Sungkyunkwan UniversityEwha Womans UniversityEwha Womans UniversitySungkyunkwan UniversityEwha Womans UniversityEwha Womans UniversityLittorina Férussac, 1822 is an abundant genus of small gastropods found in the upper littoral zone of rocky seashores worldwide. Although ecologically important, shell-based species identification in this genus is challenging due to phenotypic variation in shell morphology and lack of diagnostic characters among morphologically similar species. In this study, we revised the taxonomy of Korean Littorina species using morphological characters (shell and radula) and cox1 mitochondrial DNA sequences for three Korean species: L. brevicula, L. sitkana, and L. horikawai. Results suggest that L. sitkana was erroneously reported as L. kasatka in a previous study. A new record for Littorina horikawai (Matsubayashi & Habe in Habe, 1979), previously unknown from Korea, is described, which can be distinguished from L. sitkana by the presence of alternating white and brown spiral ribs on each whorl. Comparison of the mtDNA cox1 gene sequences shows very low intraspecific variation even between geographically distant populations. A phylogenetic tree supports a close relationship between L. horikawai and L. sitkana, consistent with earlier phylogenetic studies.http://dx.doi.org/10.1080/19768354.2018.1545697KoreaLittorinaLittorinidaeRadulamtDNA cox1
spellingShingle Yucheol Lee
Youngjae Choe
Elizabeth M. A. Kern
Yeongheon Shin
Taeho Kim
Joong-Ki Park
A revision of the genus Littorina (Mollusca: Gastropoda) in Korea
Animal Cells and Systems
Korea
Littorina
Littorinidae
Radula
mtDNA cox1
title A revision of the genus Littorina (Mollusca: Gastropoda) in Korea
title_full A revision of the genus Littorina (Mollusca: Gastropoda) in Korea
title_fullStr A revision of the genus Littorina (Mollusca: Gastropoda) in Korea
title_full_unstemmed A revision of the genus Littorina (Mollusca: Gastropoda) in Korea
title_short A revision of the genus Littorina (Mollusca: Gastropoda) in Korea
title_sort revision of the genus littorina mollusca gastropoda in korea
topic Korea
Littorina
Littorinidae
Radula
mtDNA cox1
url http://dx.doi.org/10.1080/19768354.2018.1545697
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