Ambasia Boeck 1871

Ambasia Boeck, 1871 Ambasia Boeck, 1871: 97.— Stebbing, 1906: 51.— Lincoln, 1979: 62.— Barnard & Karaman, 1991: 461. Type species. Gammarus atlanticus Milne Edwards, 1830, by monotypy. Diagnosis. Eyes present or absent. Mouthparts forming quadrate bundle. Labrum and epistome continuous, but diff...

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Bibliographic Details
Main Author: Kaim-Malka, R. A.
Format: Other/Unknown Material
Language:unknown
Published: Zenodo 2014
Subjects:
Online Access:https://doi.org/10.5281/zenodo.5240530
http://treatment.plazi.org/id/0382878BFFF6FFD595839020FF29F911
Description
Summary:Ambasia Boeck, 1871 Ambasia Boeck, 1871: 97.— Stebbing, 1906: 51.— Lincoln, 1979: 62.— Barnard & Karaman, 1991: 461. Type species. Gammarus atlanticus Milne Edwards, 1830, by monotypy. Diagnosis. Eyes present or absent. Mouthparts forming quadrate bundle. Labrum and epistome continuous, but differentially produced, prominent, coalesced, epistome dominant in projection and subsharp. Incisor ordinary, molar absent; palp attached strongly proximal. Inner plate of maxilla 1 weakly setose; outer plate with 6 spines; palp 2-articulate, large. Inner and outer plates of maxilliped well developed, palp scarcely exceeding outer plate, dactylus vestigial. Antenna 2, peduncular article 1 comma shaped. Coxa 1 slightly shortened and partly covered by coxa 2. Gnathopod 1 short, simple, articles 5 and 6 subequal, elongate; dactylus small. Article 6 of gnathopod 2 greatly shorter than article 5, ordinary, propodus minutely chelate. Inner ramus of uropod 2 without notch. Uropod 3 ordinary, peduncle ordinary, inner ramus strongly shortened, outer ramus 2-articulate. Telson elongate, deeply cleft. (Diagnosis revised according to Barnard & Karaman, 1991). Distribution. Marine, Boreal East Atlantic and Arctic, often on starfishes, 20–1400 m (Barnard & Karaman 1991). Published as part of Kaim-Malka, R. A., 2014, New Lysianassoid Amphipods from the North Eastern Atlantic Ocean, pp. 551-566 in Zootaxa 3821 (5) on page 552, DOI:10.11646/zootaxa.3821.5.3, http://zenodo.org/record/229524