Description of Elaphoidella brancelji sp. nov. (Crustacea, Copepoda), a New Species from a Cave in Northern Thailand
Keywords:
Canthocamptidae, dripping water, epikarst, karstic caves, Southeast AsiaAbstract
A new species of Elaphoidella Chappuis, 1929 (Copepoda, Harpacticoida) is described based on material collected from Pratummas Cave, Phitsanulok Province, Northern Thailand. Elaphoidella brancelji sp. nov. is the 13th species of Elaphoidella recorded from Thailand, and the 9th species originally described from Thailand. The new species belongs to group VIII, and is most similar to E. surinamensis (Delachaux, 1924) in the following characters: 1) anal operculum with fine (more than 25) spinules on free margin; 2) anal somite with four ventral spinules at the base of the caudal ramus; 3) first leg with three-segmented exopod and endopod; 4) first endopod of the second to the fourth legs without inner seta; 5) second endopod of the fourth leg with three elements; 6) exopod of the fifth leg in male with three setae; and 7) third endopod of the third leg in male with one apical seta. However, the new species differs from E. surinamensis in the following characters: 1) urosomites with serrated free posterior margins; 2) caudal ramus crescent-like shape, twice as long as wide at its base; 3) baseoendopod of the fifth leg in female with second inner seta longest; and 4) second endopod of the fourth leg in male with long and soft apical seta.
References
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Pesce, G.L. and Galassi, D.M.P. 1986. New species of Elaphoidella from groundwater of Sardinia, and first record of Elaphoidella cvetkai Petkovski from Italy (Crustacea: Harpacticoida). Bulletin Zoölogisch Museum, Universiteit van Amsterdam, 10(27): 221-225.
Sars, G.O. 1903. An account of the Crustacea of Norway with short descriptions and figures of all the species. Copepoda Harpacticoida. Parts I and II, Misophriidae, Longipediidae, Cerviniidae, Ectinosomidae (part). Bergen Museum, 5: 1-28.
Tran, D.L. and Chang, C.Y. 2012. Two new species of harpacticoid copepods from anchialine caves in karst area of North Vietnam. Animal Cells and Systems, 16(1): 57-68.
Watiroyram, S., Brancelj, A. and Sanoamuang, L. 2015. Two new species of Elaphoidella (Crustacea: Copepoda: Harpacticoida) with comments on geographical distribution and ecology of harpacticoids from caves in Thailand. Zootaxa, 3919(1): 81-99.
Watiroyram, S. and Brancelj, A. 2016. A new species of the genus Elaphoidella Chappuis (Copepoda, Harpacticoida) from a cave in the south of Thailand. Crustaceana, 89(4): 459-476.
Watiroyram, S., Sanoamuang, L. and Brancelj, A. 2017. Two new species of Elaphoidella (Copepoda, Harpacticoida) from caves in southern Thailand and a key to the species of Southeast Asia. Zootaxa, 4282(3): 501-525.
Watiroyram, S., Sanoamuang, L. and Brancelj, A. 2021. New species of Elaphoidella Chappuis, 1929 and Schizopera Sars, 1905 (Copepoda, Harpacticoida) from two caves in northeastern and southern Thailand. Zootaxa, in press.
Wells, J.B.J. 2007. An annotated checklist and keys to the species of Copepoda Harpacticoida (Crustacea). Zootaxa, 1568: 1-872.
Apostolov, A. 2007. Notes sur les harpacticoïdes cavernicoles (Crustacea: Copepoda) de Vietnam du nord. Historia Naturalis Bulgarica, 18: 65-73.
Boonyanusith, C., Sanoamuang, L. and Brancelj, A. 2018. A new genus and two new species of cave-dwelling cyclopoids (Crustacea, Copepoda) from the epikarst zone of Thailand and up-to-date keys to genera and subgenera of the Bryocyclops and Microcyclops groups. European Journal of Taxonomy, 431: 1-30.
Borutzky, E.V. 1967. Freshwater Copepoda Harpacticoida of North Vietnam. Zoologichesky Zhurnal, 46: 1015-1023.
Brady, G.S. 1880. A monograph of the free and semi-parasitic Copepoda of the British Islands 2. The Ray Society, London, 83 pp.
Brancelj, A. 2009. Fauna of an unsaturated karstic zone in Central Slovenia: two new species of Harpacticoida (Crustacea: Copepoda), Elaphoidella millennii n. sp. and E. tarmani n. sp., their ecology and morphological adaptations. Hydrobiologia, 621(1): 85-104.
Brancelj, A., Watiroyram, S. and Sanoamuang, L. 2010. The first record of cave-dwelling Copepoda from Thailand and description of a new species: Elaphoidella namnaoensis, sp. nov. (Copepoda, Harpacticoida). Crustaceana, 83: 779-793.
Brancelj, A., Boonyanusith, C., Watiroyram, S. and Sanoamuang, L. 2013. The groundwater-dwelling fauna in Southeast Asia. Journal of Limnology, 72(s2): 327-344.
Chappuis, P.A. 1928. Neue Harpacticiden aus Java. Treubia, 10: 271-283.
Chappuis, P.A. 1929. Révision du genre Canthocamptus Westwood (Note préliminaire). Buletinul Societatii de Stiinte din Cluj, 4(2): 41-50.
Chappuis, P.A. 1931. Copepoda Harpacticoida der Deutschen Limnologischen Sunda-Expedition. Archiv für Hydrobiologie, Supplementband 8, Tropische Binnengewässer, 1: 512-584.
Chappuis, P.A. 1936. Subterrane Harpacticiden aus Jugoslavien. Buletinul Societatii de Stiinte din Cluj, 8: 386-398.
Delachaux, T. 1924. Zur Kenntnis der Copepodenfauna von Surinam. II. Harpacticiden. Zoologischer Anzeiger, 59(1-2): 1-16.
Dussart, B.H. and Defaye, D. 1990. Répertoire mondial des Crustacés Copépodes des eaux intérieures. III. Harpacticoïdes. Crustaceana, 16: 1-384.
Galassi, D.M. 2001. Groundwater copepods: diversity patterns over ecological and evolutionary scales. Hydrobiologia, 453/454: 227-253.
Gaviria, S. and Defaye, D. 2015. Description of Elaphoidella paramuna n. sp. (Canthocamptidae), a new harpacticoid copepod from Colombia. Crustaceana, 88(9): 1003-1029.
Huys, R. and Boxshall, G.A. 1991. Copepod Evolution. The Ray Society, London, 468 pp.
Ishida, T. 1994. A new species of Elaphoidella (Crustacea: Harpacticoida) closely related to E. bidens (Schmeil) and the genus Attheyella from Nepal. Proceedings of the Biological Society of Washington, 107(2): 256-261.
Karanovic, T. 1997. Two new species of harpacticoid copepods (Copepoda, Harpacticoida, Canthocamptidae) from Montenegro (Balkan Peninsula). Bulletin Zoölogisch Museum, Universiteit van Amsterdam, 16(1): 1-9.
Karanovic, T. 2006. Subterranean copepods (Crustacea, Copepoda) from the Pilbara region in Western Australia. Records of the Western Australian Museum supplement, 70: 1-239.
Kiefer, F. 1967. Neue Copepoda Harpacticoida aus dem Amazonasgebiet. Crustaceana, 13(1): 114-122.
Lang, K. 1948. Monographie der Harpacticiden. Häkan Ohlsson, Lund, 1682 pp.
Lopez, M.L.D. and Papa, R.D.S. 2020. Diversity and distribution of copepods (Class Maxillopoda, Subclass: Copepoda) in groundwater habitats across South-East Asia. Marine and Freshwater Research, 71(3): 374-383.
Mamaril, A.C. 2001. Zooplankton diversity in Philippine lakes. In: Conservation and Ecological Management of Philippine Lakes in Relation to Fisheries and Aquaculture. Southeast Asian Fisheries Development Center, Aquaculture Department, Philippine Council for Aquatic Aquatic and Marine Research and Development, Bureau of Fisheries and Aquatic Resources, Quezon City, 81-93.
Pesce, G.L. 1981. Some harpacticoids from subterranean waters of Greece (Crustacea: Copepoda). Bollettino di Zoologia, 48(3-4): 263-276.
Pesce, G.L. 1985. A new harpacticoid from phreatic waters of Lesbos, Greece, and notes on the 'Rassenkreise' of Elaphoidella elaphoides (Chappuis) (Copepoda: Ameiridae). Revue Suisse de Zoologie, 92(3): 605-612.
Pesce, G.L. and Apostolov, A. 1985. Elaphoidella margaritae sp. n., a new phreatobitic harpacticoid from subterranean waters of Thailand (Crustacea, Copepoda, Canthocamptidae). Acta Zoological Bulgarica, 28: 70-75.
Pesce, G.L. and Galassi, D.M.P. 1986. New species of Elaphoidella from groundwater of Sardinia, and first record of Elaphoidella cvetkai Petkovski from Italy (Crustacea: Harpacticoida). Bulletin Zoölogisch Museum, Universiteit van Amsterdam, 10(27): 221-225.
Sars, G.O. 1903. An account of the Crustacea of Norway with short descriptions and figures of all the species. Copepoda Harpacticoida. Parts I and II, Misophriidae, Longipediidae, Cerviniidae, Ectinosomidae (part). Bergen Museum, 5: 1-28.
Tran, D.L. and Chang, C.Y. 2012. Two new species of harpacticoid copepods from anchialine caves in karst area of North Vietnam. Animal Cells and Systems, 16(1): 57-68.
Watiroyram, S., Brancelj, A. and Sanoamuang, L. 2015. Two new species of Elaphoidella (Crustacea: Copepoda: Harpacticoida) with comments on geographical distribution and ecology of harpacticoids from caves in Thailand. Zootaxa, 3919(1): 81-99.
Watiroyram, S. and Brancelj, A. 2016. A new species of the genus Elaphoidella Chappuis (Copepoda, Harpacticoida) from a cave in the south of Thailand. Crustaceana, 89(4): 459-476.
Watiroyram, S., Sanoamuang, L. and Brancelj, A. 2017. Two new species of Elaphoidella (Copepoda, Harpacticoida) from caves in southern Thailand and a key to the species of Southeast Asia. Zootaxa, 4282(3): 501-525.
Watiroyram, S., Sanoamuang, L. and Brancelj, A. 2021. New species of Elaphoidella Chappuis, 1929 and Schizopera Sars, 1905 (Copepoda, Harpacticoida) from two caves in northeastern and southern Thailand. Zootaxa, in press.
Wells, J.B.J. 2007. An annotated checklist and keys to the species of Copepoda Harpacticoida (Crustacea). Zootaxa, 1568: 1-872.
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Published
2021-07-30
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[1]
Sanoamuang, L.-O. and Watiroyram, S. 2021. Description of Elaphoidella brancelji sp. nov. (Crustacea, Copepoda), a New Species from a Cave in Northern Thailand. Tropical Natural History. 21, 2 (Jul. 2021), 321–336.
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