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Note on two species of the deep-sea shrimp genus Nematocarcinus A. Milne-Edwards, 1881 (Decapoda: Caridea: Nematocarcinidae) from the Andaman Sea off southwestern Thailand, collected by the Thai-Danish Bioshelf surveys (1996-2000) |
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Creator | Tomoyuki Komai |
Title | Note on two species of the deep-sea shrimp genus Nematocarcinus A. Milne-Edwards, 1881 (Decapoda: Caridea: Nematocarcinidae) from the Andaman Sea off southwestern Thailand, collected by the Thai-Danish Bioshelf surveys (1996-2000) |
Contributor | Charatsee Aungtonya |
Publisher | Phuket Marine Biological Center |
Publication Year | 2567 |
Journal Title | Phuket Marine Biological Center Research Bulletin |
Journal Vol. | 81 |
Journal No. | 1 |
Page no. | 105-116 |
Keyword | Nematocarcinus paucidentatus, Nematocarcinus undulatipes, synonym |
URL Website | https://km.dmcr.go.th/c_266 |
Website title | PMBC Research Bulletin |
ISSN | 2697-6323 |
Abstract | The deep-sea shrimp genus Nematocarcinus A. Milne-Edwards, 1881 is known for its challenging species identification due to fragility of specimens and subtle morphological differences. While diagnostic characteristics for species discrimination have been improved, the identification of certain species, particularly in the Indo-West Pacific region, remains problematic. In this study, material of Nematocarcinus collected from the Andaman Sea off southwestern Thailand during the Thai-Danish BIOSHELF surveys (1996–2000). Our findings reveal that Nematocarcinus chacei Burukovsky, 2002, originally described on the basis of material from the Andaman Sea, is difficult to distinguish from N. paucidentatus Spence Bate, 1888 on the morphological bases, thereby proposing to relegate N. chacei to a junior subjective synonym of N. paucidentatus. Additionally, Nematocarcinus undulatipes Spence Bate, 1888 is recorded for the first time in the Andaman Sea, expanding its known range. |