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Phylogeny and morphology assessment of a brittle star species Ophiothrix sp. (Echinodermat: Ophiuroidea) based on COI gene sequence from Chabahar Bay (Oman Sea: Iran)

Document Type : Article

Authors

1 Assistant Professor, University of Chabahar Maritime and Marine Science, College of Marine Science and Technology, Department of Marine, Iran

2 . Former M. Sc. Student, University of Chabahar Maritime and Marine Science, College of Marine Science and Technology, Department of Marine, Iran

3 Former M. Sc. Student, University of Chabahar Maritime and Marine Science, College of Marine Science and Technology, Department of Marine, Iran

Abstract

Brittle stars belonging to family Ophiotrichidae and genus Ophiothrix are of common species in the intertidal zones and coral reefs of tropical region. Members of genus Ophiothrix are well distributed in Chabahar Bay at northern coast of Oman sea. These species morphologically are very simillar to species of genus Macrophiothrix because of that often separating them based on morphological characteristics is difficult. That is why their accurate classification requires detailed morphological and molecular studies simultaneously. Sampling was taken place in Tis (Chabahar Bay) to study the morphology and Phylogeny of brittle stars based on COI gene sequence. Morphologically, this species has a five-lobed disc, trapezoidal arm plates and rectangular abdominal plates both are granular. Also, according to the results of molecular analysis Ophiothrix sp. With 49% bootstrap is supported in the clade of genus Ophiothrix and shows a monophyletic relationship with members of this genus. Although it is weakly supported, it seems that this species is a new species which due to the lack of studies about brittle stars of this region remains unknown.

Keywords

References
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Experimental animal Biology
Volume 5, Issue 4 - Serial Number 4
No.1
May 2017
Pages 11-20
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