Hyastenus baru, a new species of spider crab from Indonesia (Brachyura, Majoidea, Epialtidae) with a key to the species of Hyastenus

in Crustaceana
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A new species of spider crab, Hyastenus baru n. sp., was collected from deep water off the eastern Indonesian island Kei-Besar by the French-Indonesian KARUBAR expedition in 1991. The new species is similar to several other members of the genus, but differs in spination of the carapace and ambulatory pereopods.

Hyastenus baru, a new species of spider crab from Indonesia (Brachyura, Majoidea, Epialtidae) with a key to the species of Hyastenus

in Crustaceana

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References

CalmanW. T.1909. On decapod Crustacea from Christmas Island, collected by Dr. C. W. Andrews, F.R.S., F.Z.S. Proceedings of the Zoological Society of London: 703-713.

De ManJ. G.1888. Bericht über die von Herrn Dr. J. Brock im Indischen Archipel gesammelten Decapoden und Stomatopoden. Archiv für Naturgeschichte53(1): 289-600pls. 11-228.

GriffinD. J. G.TranterH. A.1986. The Decapoda Brachyura of the Siboga Expedition. Part VIII: Majidae. Siboga-Expeditie39: 1-335.

LohL. W.NgP. K. L.1999. Notes on some southeast Asian species of spider crabs of the genera Doclea and Hyastenus (Crustacea: Decapoda: Brachyura: Majidae). Raffles Bulletin of Zoology47(1): 59-72.

NgP. K. L.GuinotD.DavieP. J. F.2008. Systema Brachyurorum: Part I. An annotated checklist of extant brachyuran crabs of the world. Raffles Bulletin of Zoology17(Supplement): 1-286.

RathbunM. J.1916. New species of crabs of the families Inachidae and Parthenopidæ. Proceedings of the United States National Museum50: 527-559.

ZehnterL.1894. Voyage de MM.M. Bedot et C. Pictet dans l’Archipelel Malais. Crustacés de l’Archipel Malais. Revue Suisse de Zoologie et Annales du Musée d’Histoire Naturelle de Genève2: 135-214pls. VII-IX.

Figures

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    Hyastenus baru sp. nov., male holotype, cl 11.5 mm, cw 4.7 mm (MNHN). A, dorsal habitus; B, carapace, right lateral view. Scale bar = 1.0 mm.

  • View in gallery

    Hyastenus baru sp. nov., male holotype, cl 11.5 mm, cw 4.7 mm (MNHN). A, right antennal and orbital region, dorsal view; B, left antennal and orbital region, ventral view; C, left maxilliped 3; D, abdomen; E, right pereopod 1 (cheliped); F, right pereopod 2 merus; G, right pereopod 2 dactylus; H, right pereopod 3 dactylus; I, right pereopod 4 dactylus; J, right pereopod 5; K, right gonopod 1, abdominal view; L, right gonopod 1, sternal view; M, tip of right gonopod 1, lateral view; N, tip of right gonopod 1, sternolateral view. Scale bar: A-J = 2.0 mm, K-N = 0.2 mm.

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