Magnaspina siamensis
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2025
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| author | Gusakov, Vladimir A. Dien, Tran Duc Tran, Hoan Quoc Thanh, Nguyen Thi Hai Huan, Phan Trong Ha, Vo Thi Dinh, Cu Nguyen |
| author_facet | Gusakov, Vladimir A. Dien, Tran Duc Tran, Hoan Quoc Thanh, Nguyen Thi Hai Huan, Phan Trong Ha, Vo Thi Dinh, Cu Nguyen |
| contents | <p><b>34. <i>Magnaspina siamensis</i> (Sinev et Sanoamuang, 2007)</b></p><p><b>Localities and specimens found: 25</b> – 2♀ em; <b>26</b> – 1♀, 1♀ ov.</p><p><b>Distribution and ecology.</b> <i>Magnaspina siamensis</i> (formerly <i>Alona siamensis</i> Sinev et Sanoamuang, 2007) is a rare species described from Thailand, an endemic to the Oriental region (Sinev & Sanoamuang 2007; Sinev 2016). Currently, the species is also known from Malaysia, Laos, India and South Vietnam (Korovchinsky 2013; Kotov <i>et al.</i> 2013b; Sinev & Korovchinsky 2013; Sinev 2016; Sousa & Padhye 2020). In Vietnam, <i>Magnaspina siamensis</i> was first recorded as <i>Alonella dentifera</i> Sars, 1901 by Shirota (1966) (see Remarks below for details).</p><p>The lifestyle and ecology of <i>Magnaspina siamensis</i> are little studied. To date, this chydorid has been discovered mainly in small, vegetated water bodies, namely swamps, rice fields, ponds, ditches, floodplains (Sinev & Sanoamuang 2007; Sinev & Korovchinsky 2013; Sousa & Padhye 2020; Choedchim & Maiphae 2023). In our material, a few individuals of this species were found in the open and overgrown littoral of a small reservoir (see Appendix 1).</p><p><b>Remarks.</b> It should be noted that probably all records of <i>Alonella dentifera</i> -like populations (later known as <i>Alona</i> or <i>Coronatella dentifera</i> (Sars, 1901)) from the Oriental region (e.g., by Shirota (1966), Idris & Fernando (1981), Idris (1983), Maiphae <i>et al.</i> (2005, 2008), etc.) are in fact <i>Magnaspina siamensis</i> too (Sinev & Sanoamuang 2007; Van Damme <i>et al.</i> 2010; Chartejee <i>et al.</i> 2013; Kotov <i>et al.</i> 2013b; Van Damme & Sinev 2013; Sousa <i>et al.</i> 2016b; Choedchim & Maiphae 2023). The recent species <i>M. dentifera</i> (Sars, 1901), the “successor” of <i>Alonella dentifera</i>, originally described from Brazil, is now considered an inhabitant of the Neotropics only (Sousa <i>et al.</i> 2016b).</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_15216805 |
| institution | Zenodo |
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| publishDate | 2025 |
| publisher | Zenodo |
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| spellingShingle | Magnaspina siamensis Gusakov, Vladimir A. Dien, Tran Duc Tran, Hoan Quoc Thanh, Nguyen Thi Hai Huan, Phan Trong Ha, Vo Thi Dinh, Cu Nguyen Biodiversity Taxonomy Animalia Arthropoda Branchiopoda Anomopoda Chydoridae Magnaspina Magnaspina siamensis <p><b>34. <i>Magnaspina siamensis</i> (Sinev et Sanoamuang, 2007)</b></p><p><b>Localities and specimens found: 25</b> – 2♀ em; <b>26</b> – 1♀, 1♀ ov.</p><p><b>Distribution and ecology.</b> <i>Magnaspina siamensis</i> (formerly <i>Alona siamensis</i> Sinev et Sanoamuang, 2007) is a rare species described from Thailand, an endemic to the Oriental region (Sinev & Sanoamuang 2007; Sinev 2016). Currently, the species is also known from Malaysia, Laos, India and South Vietnam (Korovchinsky 2013; Kotov <i>et al.</i> 2013b; Sinev & Korovchinsky 2013; Sinev 2016; Sousa & Padhye 2020). In Vietnam, <i>Magnaspina siamensis</i> was first recorded as <i>Alonella dentifera</i> Sars, 1901 by Shirota (1966) (see Remarks below for details).</p><p>The lifestyle and ecology of <i>Magnaspina siamensis</i> are little studied. To date, this chydorid has been discovered mainly in small, vegetated water bodies, namely swamps, rice fields, ponds, ditches, floodplains (Sinev & Sanoamuang 2007; Sinev & Korovchinsky 2013; Sousa & Padhye 2020; Choedchim & Maiphae 2023). In our material, a few individuals of this species were found in the open and overgrown littoral of a small reservoir (see Appendix 1).</p><p><b>Remarks.</b> It should be noted that probably all records of <i>Alonella dentifera</i> -like populations (later known as <i>Alona</i> or <i>Coronatella dentifera</i> (Sars, 1901)) from the Oriental region (e.g., by Shirota (1966), Idris & Fernando (1981), Idris (1983), Maiphae <i>et al.</i> (2005, 2008), etc.) are in fact <i>Magnaspina siamensis</i> too (Sinev & Sanoamuang 2007; Van Damme <i>et al.</i> 2010; Chartejee <i>et al.</i> 2013; Kotov <i>et al.</i> 2013b; Van Damme & Sinev 2013; Sousa <i>et al.</i> 2016b; Choedchim & Maiphae 2023). The recent species <i>M. dentifera</i> (Sars, 1901), the “successor” of <i>Alonella dentifera</i>, originally described from Brazil, is now considered an inhabitant of the Neotropics only (Sousa <i>et al.</i> 2016b).</p> |
| title | Magnaspina siamensis |
| topic | Biodiversity Taxonomy Animalia Arthropoda Branchiopoda Anomopoda Chydoridae Magnaspina Magnaspina siamensis |
| url | https://doi.org/10.5281/zenodo.15216805 |