maxilliped


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Related to maxilliped: pleopod, Cheliped, uropod

maxilliped

[mak′sil·ə‚ped]
(invertebrate zoology)
One of the three pairs of crustacean appendages immediately posterior to the maxillae.
References in periodicals archive ?
Nonetheless, the female's barbula, maxilliped and first oostegite conform well with those previously recorded for A.
Head broader than long, completely covered anteriorly by short frontal lamina, barbula nearly undeveloped; maxilliped bearing prominent articulating palp.
Specifically, its body is proportionately much broader; its barbula is very simple, rather than having two well-developed projections on each side; the palp articulates distinctly with the maxilliped, rather than being fused with it; it has six pleomeres, not five, the sixth being much reduced, inset and of unique shape; and the greatly expanded endopodites of the pleopods are like none known for any other bopyrid species.
caldera Bamber & Costa, 2009, by having only three maxilliped basis setae and a biarticulated uropodal exopod that is longer than the first endopod article.
africana) only three setae on the maxilliped basis (L.
1988) reported that the first pereopod has a function of scraping and grazing of filamentous bacteria covering the scaphognathite of the maxilla and the caridean lobe of the first maxilliped in adults of Rimicaris exoculata.
Martin and Hessler (1990) described the third maxilliped of Rimicaris exoculata as four long segments and one or two fused, shorter, basal segments, but this is not correct.
Also, the reduction of the exopod on the first maxilliped and the loss of the grooming apparatus on the carpus of the first pereopod are also remark able.
Species identification was based on the morphological characters of rostrum, carapace, branchiae, antennule, antenna, third maxilliped, pereiopods, pleopods, abdomen, telson, petasma, thelycum, and the colored pattern of the whole body.
The family Sicyoniidae is morphologically peculiar in having the following features: (1) prosartema absent, (2) exopods absent from second and third maxillipeds, (3) pleopods with one ramus only, and (4) pleurobranchiae absent from fourth to sixth thoracic somites.
They are morphologically different from Clade A by the absence of pleurobranchiae on pereiopods 4 and 5, the lack of epipod on third maxilliped, presence of rostral teeth only on dorsal side, symmetrical and semiclosed petasma with hornlike or spoutlike distolateral projections, closed thelycum with one lateral plate, and the seminal receptacles paired and invaginated.
Haliporus), are closer to Aristeidae (by the presence of appendix interna, the two arthrobranchiae on first maxilliped and the mesial tubercle on optic calathus), whereas others (e.