Xiphonectes A. Milne-Edwards, 1873
publication ID |
https://doi.org/ 10.6620/ZS.2021.60-60 |
persistent identifier |
https://treatment.plazi.org/id/039587A2-FFA4-4A71-35D9-F9B0F70E5557 |
treatment provided by |
Felipe |
scientific name |
Xiphonectes A. Milne-Edwards, 1873 |
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Genus Xiphonectes A. Milne-Edwards, 1873 View in CoL Xiphonectes tuberculosus (A. Milne-Edwards, 1861)
( Figs. 3H View Fig , 12 View Fig )
Neptunus tuberculosus A. Milne-Edwards, 1861: 333 View in CoL , pl. 31(5) (type locality: Hawaii).
Neptunus (Hellenus) tuberculosus View in CoL – Shen 1940: 220 ( Hong Kong).
Portunus tuberculosus View in CoL – Stephenson and Rees 1967: 52, fig. 18, pl. 6B ( Palau; Philippines; China); Moosa 1981: 147 ( Philippines); Dai et al. 1986: 199, fig. 116(3), pl. 26(6) ( China, incl. Hainan I.); Dai and Yang 1991: 218, fig. 116(3), pl. 26(6) ( China, incl. Hainan I.); Dai and Xu 1991: 23, fig. 18 (Nansha Is.); Yang et al. 2008: 788 (list).
Portunus (Xiphonectes) tuberculosus View in CoL – Ng et al. 2008: 153 (list).
Xiphonectes tuberculosus View in CoL – Sasaki 2019: 9130 (list).
not Portunus tuberculosus View in CoL – Chou et al. 1999: 30 ( Taiwan: Kaohsiung). (= Neptunus trituberculatus Miers, 1876 View in CoL ).
Material examined: Taiwan: 3 males (20.3–26.9 × 12.0– 15.8 mm), 2 females (23.2–23.5 × 13.2–13.7 mm) (NCHUZOOL 16530), Zuoying, Kaohsiung, Jun. 2001; 1 male (26.4 × 16.4 mm) (NCHUZOOL 16532), Dalinpu, Siaogang, Kaohsiung, 12 May 1997; 1 female (20.7 × 11.9 mm) (NCHUZOOL 16559), Erzihliao Fishing Port, Kaohsiung, coll. YH Huang, 8 Jul. 2018; 1 male (25.1 × 14.7 mm), 1 ovig. female (26.8 × 15.9 mm) (NCHUZOOL 16594), Dalinpu, Siaogang, Kaohsiung, Jun. 2001.
Diagnosis: Carapace transversely hexagonal, 1.7 times broader than long, surface densely pilose, with granular patches. All carapace ridges absent, except epibranchial regions with a pair of granulated ridges ( Fig. 12A View Fig ). Front with 4 rounded teeth, median 2 smaller and more protruding than lateral ( Fig. 12A View Fig ). Supraorbital margins with 2 notches, inner supraorbital angle tooth-like, with ventromesial ledge. Anterolateral margins with 9 teeth, tooth 9 largest ( Fig. 12A View Fig ). Junction between posterolateral and posterior margins tooth-like ( Fig. 12A View Fig ). Basal antennal segment with a lateral blunt lobe entering orbital cavity. Chelipeds granulated and pilose, merus with 3 blunt spines on inner margin, outer margin with 1 spine; carpus with spine each on inner and outer margins; palm with 2 granulated ridges and 1 spine on dorsal surface, outer surface with 3 ridges. P5 with merus granulated on inner margin. Maxillipeds 3 with merus longer than broad, anteroexternal angle strongly expanding to a prominent auriculiform structure. Male pleon with pleomere 6 trapezoidal, longer than broad. G1 smooth, distal half slender and bent laterally ( Fig. 12B–E View Fig ).
Distribution: Hawaii; Australia; Indonesia (Makassar); Guam; Palau; Philippines; Nansha Is.; Taiwan; Japan (incl. Ryukyus); China (incl. Hong Kong; Hainan I.); Vietnam; Thailand; India; Sri Lanka; Maldives; Gulf of Aden; Gulf of Oman; Seychelles; Tanzania; Madagascar ( Sasaki 2019; this study).
Ecological notes: Specimens were collected by trawling at about 30 meters deep (this study).
Remarks: Chou et al. (1999) recorded the name “ Portunus tuberculosus ” from Taiwan, but Ng et al. (2001 2017) considered it should be a typographical mistake of Portunus trituberculatus . As a result, Xiphonectes tuberculosus is the first confirmed record from Taiwan in our study.
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Xiphonectes A. Milne-Edwards, 1873
Huang, Yu-Hsuan & Shih, Hsi-Te 2021 |
Xiphonectes tuberculosus
Sasaki J. 2019: 9130 |
Portunus (Xiphonectes) tuberculosus
Ng PKL & Guinot D & Davie PJF 2008: 153 |
Portunus tuberculosus
Chou WR & Lai SH & Fang LS 1999: 30 |
Portunus tuberculosus
Yang SL & Chen HL & Jiang W. 2008: 788 |
Dai AY & Yang SL 1991: 218 |
Dai AY & Xu ZX 1991: 23 |
Dai AY & Yang SL & Song YZ & Chen GX 1986: 199 |
Moosa MK 1981: 147 |
Stephenson W & Rees M. 1967: 52 |
Neptunus (Hellenus) tuberculosus
Shen CJ 1940: 220 |