Ambicholestes (Ambicholestes) trilobatus, Just, 1998
publication ID |
https://doi.org/ 10.3853/j.0067-1975.50.1998.1273 |
DOI |
https://doi.org/10.5281/zenodo.4657195 |
persistent identifier |
https://treatment.plazi.org/id/B128F865-0E2E-E82E-FAE7-F584F838D80F |
treatment provided by |
Felipe |
scientific name |
Ambicholestes (Ambicholestes) trilobatus |
status |
sp. nov. |
Ambicholestes (Ambicholestes) trilobatus View in CoL n.sp.
Figs 6-8
Material examined. HOLOTYPE: fully developed female, 3.5 mm, with empty marsupium, Long Island , Chesterfield Reef, Coral Sea, seaward face, 20 m, "Lady Basten", N.L. Bruce, 4 May 1979, QM Wl1668. Unique.
Diagnosis. Rostrum present in depressed position between antennae 1. Antenna 1 peduncle article 1 and antenna 2 peduncle article 3 (rest of antenna missing) partly covered withmicrosetules. Anteriormargin of cephalon and rostrum covered by microscales. Pleon and urosomites dorsally with dense cover oflong, very fine setules. Article 2 of pereopod 2 with anterior margin trilobate; presumed stridulation organ present.
Further description. Rostrum narrow, pointed. Antenna 1 peduncle article 1 with 2 recurved robust setae ventrally, with ventral to medial cover of microsetules. Antenna 2 peduncle article 3 with mid-medial robust seta, with dorsal to medial cover of microsetules; ventroapical projection of article 2 as long as wide, triangular, with 4 long lateral and 2 short medial setae.
Coxal plates 5 and 6 posterior lobe rounded with upturned part rounded. Distalmost part of plates 3 and 4, anterior lobe of plate 5, posterior lobe of plate 6, and anterior lobe of plate 7 with microscales. Pleonal sideplates 1 and 2 evenly rounded.
Mouthparts normal. Mandibular palp laterally to ventrally with lose cover of acute cuticular scales.
Pereopod 1 article 6 without posterodistal tooth, with 4 posterior robust setae. Pereopod 2 article 6 with 4 posterior robust setae; article 2 anterior margin proximal to lobate part with a few small marginal teeth.
Uropod 1 outer ramus about 5 times longer than broad, with 7 lateral robust setae; inner ramus ca. 40% length of outer ramus, with lateral and apical robust setae.
Urosomites 1 and 2 free. Urosomite 3 and telson fused dorsally, but with distinct subcuticular line of articulation.
Colour and biology. Not known.
Etymology. The specific epithet alludes to the shape of the anterior margin of pereopod 2 article 2.
QM |
Queensland Museum |
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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