Description of Sandythoa gen. nov., a fish parasitic branchial cymothoid (Crustacea: Isopoda: Cymothoidae) from the Indian Ocean, with five species including one new species

被引：1
|
作者：
Aneesh, Panakkool Thamban [1 ,2 ]
Bruce, Niel [3 ,4 ]
Helna, Ameri Kottarathil [5 ]
Kumar, Appukuttannair Biju [6 ]
机构：
[1] Hiroshima Univ, Seto Inland Sea Carbon Neutral Res Ctr, Grad Sch Integrated Sci Life, Blue Innovat Div, 5-8-1 Minato Machi, Takehara, Hiroshima 7250024, Japan
[2] Travancore Nat Hist Soc TNHS, MBRRA, Mathrubhumi Rd, Trivandrum 695035, Kerala, India
[3] Queensland Museum, Biodivers & Geosci Program, POB 3300, South Brisbane Bc, Qld 4101, Australia
[4] North West Univ, Unit Environm Sci & Management, Water Res Grp, Private Bag X6001, ZA-2520 Potchefstroom, South Africa
[5] Reg Forens Sci Lab, Kannur 670002, Kerala, India
[6] Univ Kerala, Dept Aquat Biol & Fisheries, Thiruvananthapuram 695581, Kerala, India
来源：
SYSTEMATIC PARASITOLOGY | 2024年 / 101卷 / 04期
关键词：
MOTHOCYA COSTA; REDESCRIPTION; COAST; HOPE;
D O I：
10.1007/s11230-024-10163-2
中图分类号：
R38 [医学寄生虫学]; Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ; 100103 ;
摘要：
The comparative analysis of records of Elthusa samariscii (Shiino, 1951) from Japan and India, alongside corresponding illustrations, indicates that the records of E. samariscii from Samaris cristatus Gray in India represent a distinct and previously undescribed species. This study introduces Sandythoa tirangagen. and sp. nov., providing comprehensive descriptions of various lifecycle stages, including the female, male, transitional, premanca, and manca larvae. The following combinations of characters identify the genus: cephalon anterior margin with acute rostrum; pleonite 1 is distinctly narrow, not extending laterally; presence of a narrow gap between pleonites; antenna with more than 10 articles; maxilliped with oostegital lobe. Sandythoa tirangasp. nov. is specifically identified along the southwest coast of India. Furthermore, we propose transferring the following species from Elthusa: Sandythoa arnoglossi (Trilles and Justine 2006) comb. nov.;Sandythoa parabothi (Trilles and Justine, 2004) comb. nov.; Sandythoa samariscii (Shiino, 1951) comb. nov.; Sandythoa moritakii (Saito and Yamauchi, 2016) comb. nov. A revised key to the global marine branchial cymothoid genera is provided.
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页数：28
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