Dodecas Stebbing 1883

Genus Dodecas Stebbing, 1883 Diagnosis Head fused with pereonite 1. Antenna 1 well developed; flagellum with more than two articles; accessory flagellum absent. Antenna 2 well developed; flagellum with more than three articles. Mandible well developed; molar absent; palp 3-articulate; palp setal for...

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Bibliographic Details
Main Authors: Takeuchi, Ichiro, Lowry, James K.
Format: Text
Language:unknown
Published: Zenodo 2015
Subjects:
Online Access:https://dx.doi.org/10.5281/zenodo.4331272
https://zenodo.org/record/4331272
Description
Summary:Genus Dodecas Stebbing, 1883 Diagnosis Head fused with pereonite 1. Antenna 1 well developed; flagellum with more than two articles; accessory flagellum absent. Antenna 2 well developed; flagellum with more than three articles. Mandible well developed; molar absent; palp 3-articulate; palp setal formula 1 – x – 1. Maxilliped well developed; inner plate (basal endite) larger than outer plate (ischial endite); outer plate (ischial endite) well developed; palp article 3 without distal projection; palp article 4 well developed. Pereonite 4 clavate appendage absent. Pereonites 6 and 7 not fused. Pereopod 3 well developed, with seven articles. Pereopod 4 absent. Pereopod 5 reduced with four articles. Pereopods 6 and 7 well developed, with seven articles. Gills on pereonites 2 to 4. Pleopods present, one pair, tiny. Uropods two pairs; uropod 1, uniramous; uropod 2, uniramous. Telson (dorsal lobe) present. Type species Dodecas elongata Stebbing, 1883, monotypy. Included species Dodecas includes seven species: Dodecas decacentrum Stebbing, 1910b; Dodecas elongata Stebbing, 1883;? Dodecas eltaninae McCain and Gray, 1971; Dodecas grandimanus Guiler, 1954; Dodecas hexacentrum Mayer, 1903; Dodecas reducta K.H. Barnard, 1932; Dodecas tasmaniensis Guiler, 1954. Remarks The genus Dodecas was established specifically for D. elongata Stebbing, 1883 by Stebbing (1883). The generic diagnosis of the present genus is provided based on the present description of D. decacentrum Stebbing, 1910b and D. hexacentrum Mayer, 1903. : Published as part of Takeuchi, Ichiro & Lowry, James K., 2015, A taxonomic study on the Phtisicidae (Crustacea: Amphipoda) of New South Wales, Australia, pp. 603-648 in Journal of Natural History 50 on page 605, DOI: 10.1080/00222933.2015.1079338, http://zenodo.org/record/3985737 : {"references": ["Stebbing TRR. 1883. The ' Challenger ' Amphipoda. Ann Mag Nat Hist, Ser 5. 11: 203 - 207.", "Stebbing TRR. 1910 b. Scientific results of the trawling expedition of H. M. C. S. \" Thetis \" off the coast of New South Wales, in February and March, 1898, Crustacea. Part V. Amphipoda. Aust Mus Mem. 4: 567 - 658.", "McCain JC, Gray WS. 1971. Antarctic and subantarctic Caprellidae (Crustacea: Amphipoda). Antarct Res Ser. 17: 111 - 139.", "Guiler ER. 1954. Some collections of caprellids from Tasmania. Ann Mag Nat Hist Zool, Botany, and Geology. 7: 531 - 553. 12 th Series.", "Mayer P. 1903. Die Caprellidae der Siboga-Expedition. Siboga-Expeditie, Monographie. 34: 1 - 160 + pls 1 - 10."]}