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Alicellidae and Valettiopsidae, two new callynophorate families (Crustacea : Amphipoda)
Lowry, J.; De Broyer, C. (2008). Alicellidae and Valettiopsidae, two new callynophorate families (Crustacea : Amphipoda). Zootaxa 1843: 57-66
In: Zootaxa. Magnolia Press: Auckland. ISSN 1175-5326; e-ISSN 1175-5334, more
Peer reviewed article  
Keywords
    Alicellidae Lowry & De Broyer, 2008 [WoRMS]; Amphipoda [WoRMS]; Crustacea [WoRMS]; Valettiopsidae Lowry & De Broyer, 2008 [WoRMS]
    Marine/Coastal
Author keywords
    Crustacea; Amphipoda; new families; taxonomy; Alicellidae;Valettiopsidae
Authors  Top 
  • Lowry, J.
  • De Broyer, C., more
Abstract
    Two new families, the Alicellidae fam. nov. and the Valettiopsidae fam. nov., are described based on genera traditionally considered as lysianassoid amphipods. The Alicellidae fam. nov. are deep-sea scavengers often associated with thermal vents. They are distinguished from all other amphipods by a combination of characters which includes a callynophore on antenna 1; a broad, serrate left lacinia mobilis (occasionally narrow or vestigial) and a reduced or vestigial right lacinia mobilis (occasionally broad and serrate); simple or subchelate gnathopod 1; an elongate ischium, rectolinear carpus and propodus and a small dactylus on gnathopod 2 (not mitten-shaped); absence of apical robust setae on uropods 1 and 2 and a deeply cleft telson. The family contains 6 genera: Alicella Chevreux, 1899; Apotectonia Barnard & Ingram, 1990; Diatectonia Barnard & Ingram, 1990; Paralicella Chevreux, 1908; Tectovalopsis Barnard & Ingram, 1990; Transtectonia Barnard & Ingram, 1990. The Valettiopsidae fam. nov. are deep-sea scavenging amphipods defined by a combination of characters which includes a callynophore on antenna 1; serrate, curved incisors; a well developed, serrate lacinia mobilis on each mandible, an oblique setal row on the inner plate of maxilla 2, an elongate ischium on gnathopod 2; the absence of robust setae on the apices of uropods 1 and 2 and a deeply cleft telson. The family contains two genera, Valettiopsis Holmes, 1908 and Valettietta Lincoln & Thurston, 1983.
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