Halicarcinus planatus ( Fabricius, 1775 )

Poore, Gary C. B., Guinot, Danièle, Komai, Tomoyuki & Naruse, Tohru, 2016, Reappraisal of species attributed to Halicarcinus White, 1846 (Crustacea: Decapoda: Brachyura: Hymenosomatidae) with diagnosis of four new genera and one new species from New Ireland, Papua New Guinea, Zootaxa 4093 (4), pp. 480-514 : 488-489

publication ID	https://doi.org/10.11646/zootaxa.4093.4.2
publication LSID	lsid:zoobank.org:pub:5E0BF4DB-04EA-4A9A-BF47-901DF84FFD39
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scientific name	Halicarcinus planatus ( Fabricius, 1775 )
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Halicarcinus planatus ( Fabricius, 1775) View in CoL

( Figs 1 View FIGURE 1 d, 2)

Cancer planatus Fabricius, 1775: 403 .

Hymenosoma Leachii Guérin, 1832 View in CoL , in Guérin-Méneville 1829–1837: 10, pl. 10 fig. 1 (see Low et al. 2013 for citation).

Hymonosema [sic] leachii— Guérin 1838: 22–23.

Halicarcinus View in CoL planatus— White 1847: 33 –34. — Melrose 1975: 34 –39, figs 12, 13 (for extensive synonymy). — Gorny 1999: 372– 379 (distribution). — Diez & Loverich 2009: 389–401 (reproduction). — Poore 2004: 394, fig. 121d. — Webber 2010: 181, 226. — Aronson et al. 2015: 2 –4, fig. 2 (distribution).

Halicarcinus pubescens Dana, 1851: 253 View in CoL .

Elamene View in CoL [sic] mexicana H. Milne Edwards, 1853: 224 View in CoL .

Elamena View in CoL mexicana— Tavares & Santana 2015: 103, fig. 3B.

Halicarcinus patagoniensis Melrose, 1975 (unnecessary replacement name for Halicarcinus pubescens Dana, 1851 ).

Material examined. Lectotype of Hymenosoma leachii Guérin, 1832 , in Guérin-Méneville 1829–1837, herein selected. Côtes de Nouvelle-Hollande (southern Australia), MNHN IU-2000-647 (B647), (male, 10 mm, dry).

Holotype of Elamena mexicana H. Milne Edwards, 1853 . ‘ Côtes du Mexique ’ (see remarks below). MNHN IU-2000-655 (B655), (male, 7.3 mm, dry).

Other material. Kerguelen I., NMV J8080 (male, 10. 6 mm); MNHN IU-2014-0000 (B25953), (1 male, 17.0 mm; 1 ovigerous female, 15.0 mm).

Australia. Macquarie I., NMV J7543 (1 ovigerous female, 12.0 mm).

New Zealand, Campbell I., AM P.36830 (1 male, 20 mm; 1 ovigerous female, 20 mm) selected from numerous specimens at NMV and AM; MNHN IU-2014-0000 (B25960), (1 male, 15.0 mm, several males and females).

Distribution. Widespread throughout the subantarctic islands, southern New Zealand and South America (Gorny 1999), Deception I., South Shetland Is ( Aronson et al. 2015). The only Australian occurrence is at subantarctic Macquarie I.

Remarks. In her discussion of the homonymy of Halicarcinus pubescens Dana, 1851 , from Patagonia ( Argentina) with Hymenicus pubescens Dana, 1851 , from New Zealand that she placed together in Halicarcinus, Melrose (1975: 253, 254) proposed the replacement name Halicarcinus patagoniensis Melrose, 1975 , for the former. Halicarcinus pubescens Dana, 1851 , is now considered a junior synonym of H. planatus and Hymenicus pubescens Dana, 1851 , is now Neohymenicus pubescens ( Dana, 1851) following Lucas’s (1980) revision.

Melrose (1975: 34) included Hymenosoma leachii Guérin, 1832 , as a questionable synonym of Halicarcinus planatus . Having looked at a type specimen we can confirm this but doubt that the type locality ‘ les côtes de la Nouvelle-Hollande ’ (southern Australia) recorded by Guérin (1838) is correct; the species has not otherwise been recorded from southern Australia. Tavares & Santana (2015) proposed Elamena mexicana H. Milne Edwards, 1853 , as a synonym of Halicarcinus planatus . We agree with this and with their conclusion that the most likely type locality for this taxon is not Mexico but Peru or Chile. It clearly has a similar rostrum and preocular pseudorostral lobes, which are demarcated from the carapace by a distinct hymenosomian groove, and relatively wide maxillipeds 3 that cover almost the entire buccal cavern.

a b c

References

Aronson, R. B., Frederich, M., Price, R. & Thatje, S. (2015) Prospects for the return of shell-crushing crabs to Antarctica. Journal of Biogeography, 42, 1 - 7.

Dana, J. D. (1851) Conspectus crustaceorum quae in orbis terrarum circumnavigatione, Carolo Wilkes e classe reipublicae foederatae duce, lexit e descripsit. Proceedings of the Academy of Natural Science of Philadelphia, 5, 247 - 254. Avaliable from: http: // biodiversitylibrary. org / page / 26301482 (Accessed 21 Mar. 2016)

Fabricius, J. C. (1775) Systema Entomologiae, sistens Insectorum Classes, Ordines, Genera, Species, adjectis Synonymis, Locis, Descriptionibus, Observationibus. Kortii, Flensburgi et Lipsiae, xxxii + 832 pp. Avaliable from: http: // biodiversitylibrary. org / page / 25551421 (Accessed 21 Mar. 2016)

Guerin, F. - E. (1838) Crustaces et arachnides. In: Duperrey, L. I. (Ed.), Voyage autour du Monde: execute par ordre du Roi, sur la Corvette de Sa Majeste, la Coquille, pendant les annees 1822, 1823, 1824, et 1825... Zoologie, vol. 2 (1). Arthus Bertrand, Paris, pp. 9 - 56. Avaliable from: http: // biodiversitylibrary. org / page / 38662845 (Accessed 21 Mar. 2016)

Low, M. E., Ng, P. K. L. & Evenhuis, N. L. (2013) The Brachyura of Guerin-Meneville: particularly the Iconographie du Regne Animal, the voyages of la Coquille and la Favorite, and the Encyclopedie methodique (Crustacea: Decapoda). Zootaxa, 3736 (2), 101 - 127.

Melrose, M. J. (1975) The marine fauna of New Zealand: family Hymenosomatidae (Crustacea, Decapoda, Brachyura). New Zealand Oceanographic Institute Memoir, 34, 1 - 123.

Milne Edwards, H. (1853) Memoire sur la famille des Ocypodiens. Annales des Sciences Naturelles (ser. 3), 20, 163 - 228, pls 1 - 11. Avaliable from: http: // biodiversitylibrary. org / page / 35466171 (Accessed 21 Mar. 2016)

Poore, G. C. B. (2004) Marine Decapod Crustacea of Southern Australia. A Guide to Identification (with chapter on Stomatopoda by Shane Ahyong). CSIRO Publishing, Melbourne, 574 pp.

Tavares, M. & Santana, W. (2015) A new genus and two new species of hymenosomatid crabs (Crustacea: Brachyura: Hymenosomatidae) from the southwestern Atlantic and eastern Australia. Zootaxa, 3905 (1), 91 - 106. http: // dx. doi. org / 10.11646 / zootaxa. 3905.1.5

Webber, W. R., Fenwick, G. D., Bradford-Grieve, J. M., Eagar, S. H., Buckeridge, J. S., Poore, G. C. B., Dawson, E. W., Watling, L., Jones, J. B., Wells, J. B. J., Bruce, N. L., Ahyong, S. T., Larsen, K., Chapman, M. A., Olesen, J., Ho, J. S., Green, J. D., Shiel, R. J., Rocha, C. E. F., Lorz, A. - N., Bird, G. J. & Charleston, W. A. (2010) Chapter 8. Phylum Arthropoda. Subphylum Crustacea. Shrimps, crabs, lobsters, barnacles, slaters, and kin. In: Gordon, D. P. (Ed.) New Zealand Inventory of Biodiversity. 2. Kingdom Animalia. Canterbury University Press, Christchurch, pp. 98 - 232.

White, A. (1847) List of the Specimens of Crustacea in the Collection of the British Museum. British Museum, London, viii + 141 pp. Avaliable from: http: // biodiversitylibrary. org / page / 1317596 (Accessed 21 Mar. 2016)

Figures

FIGURE 1. Halicarcinus cookii (Filhol, 1885): a – c, lectotype of Hymenicus cookii Filhol, 1885, MNHN IU- 2014 - 7143 (B 32572), (female, 6.1 mm). Halicarcinus planatus (Fabricius, 1775): d, holotype of Elamena mexicana (H. Milne Edwards, 1853), MNHN IU- 2000 - 655 (B 655), (male, 7.3 mm). Halicarcinus quoyi (H. Milne Edwards, 1853): e, lectotype of Elamena quoyi H. Milne Edwards, 1853, MNHN- 2000 - 667 (B 667), (male without rostrum, 6.4 mm); f, paralectotype, MNHN- 2000 - 32609 (B 32609), (sex unknown, dry fragments).