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... was carried out on intertidal sandy beaches at two locations in South Andaman: Corbyns Cove, 11°37'48.3"N 92°45'14.0"E, and Chottabalu, 11°30'39.00"N 92°40'55.00"E (Fig. 1). Samples were randomly collected to a depth of 15 cm using a polyvinyl corer, with a 15 cm internal diameter and 25 cm height from the sediment. The collected samples were washed through a 0.5 mm mesh size test sieve and the collected fauna were transferred to a pre-labeled zip-lock polyethylene bag and fixed with 7 % formalin. Isopod ...
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Citations
... The family Sphaeromatidae remains poorly studied in the Indian region although the intertidal sand inhabiting species have received some attention (Eleftheriou et al. 1980;Dutta 2019;Anil & Jayaraj 2021;Anil 2022). Other than wood associated species, and the species described and recorded by Pillai (1954Pillai ( , 1965 only recent publications those of Anil & Jayaraj (2021) and Anil (2022) describing new species of Sphaeromopsis intertidal sand beaches of the South Andaman, Andaman Islands. ...
... The family Sphaeromatidae remains poorly studied in the Indian region although the intertidal sand inhabiting species have received some attention (Eleftheriou et al. 1980;Dutta 2019;Anil & Jayaraj 2021;Anil 2022). Other than wood associated species, and the species described and recorded by Pillai (1954Pillai ( , 1965 only recent publications those of Anil & Jayaraj (2021) and Anil (2022) describing new species of Sphaeromopsis intertidal sand beaches of the South Andaman, Andaman Islands. The family Sphaeromatidae is represented in India by 23 species in 11 genera (Anil 2022). ...
... Other than wood associated species, and the species described and recorded by Pillai (1954Pillai ( , 1965 only recent publications those of Anil & Jayaraj (2021) and Anil (2022) describing new species of Sphaeromopsis intertidal sand beaches of the South Andaman, Andaman Islands. The family Sphaeromatidae is represented in India by 23 species in 11 genera (Anil 2022). ...
Cassidinidea andamanensis sp. nov. was collected from intertidal habitats on the coast of South Andaman, Andaman Islands, India and is described and illustrated in detail. Cassidinidea andamanensis sp. nov. the second definitive record of the genus from India, is characterized by: smooth body surface, prominently convex epistome anterior margin, pleotelson dorsal smooth surface and the posterior margin is subtruncate and weakly convex with small setae, the appendix masculina posterior margin is narrowly rounded.
Cirolana swaraj sp. nov. was collected from brackish-water Neil Lagoon on Havelock Island, South Andaman and is described and illustrated in detail. Cirolana swaraj sp. nov. can be distinguished by: frontal lamina 2.2 times as long as greatest width, lateral margins slightly widening to rounded anterior margin; pereonite 1 dorsal anterior mid-region with convex boss covered with fine ridges, pereonites 1–7 each with a single transverse impressed line, posterior margin with 18, 18, 17 and 12 tubercles on pereonites 4−7 dorsal posterior margins respectively; pleonites 4−5 each with prominent median tubercle, 4 and 2 tubercules on each side of pleonites 4−5; pleotelson dorsal surface with sub-median double row of 5 tubercules, posterior lateral margins straight, posterior margin narrowly rounded with 6 robust setae and plumose marginal setae extending anteriorly to mid-length; uropodal exopod lateral margin with eight robust setae and a continuous row of plumose marginal setae. A key to the marine and estuarine genera of Cirolanidae of the northern Indian Ocean is given.
