Paracrangonyctidae Bousfield, 1983
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publication ID |
https://doi.org/ 10.11646/zootaxa.3610.1.1 |
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publication LSID |
lsid:zoobank.org:pub:AA71AC2D-C7BF-43AE-9E25-29A5EC843B89 |
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DOI |
https://doi.org/10.5281/zenodo.6150717 |
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persistent identifier |
https://treatment.plazi.org/id/164ACE3F-BE16-FFA2-FF0B-FEB7FDC2B138 |
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treatment provided by |
Plazi |
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scientific name |
Paracrangonyctidae Bousfield, 1983 |
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Paracrangonyctidae Bousfield, 1983 View in CoL
Type genus. Paracrangonyx Stebbing, 1899 b.
Diagnostic description. Body subcylindrical or vermiform. Eyes absent. Antenna 1 subequal in length to, or longer than antenna 2; peduncular article 1 longer than article 2; article 2 longer than article 3; article 3 shorter than article 1; peduncular articles 1–2 not geniculate; accessory flagellum short or minute. Antennae 1–2 calceoli absent. Antenna 2 peduncular article 1 enlarged, bulbous. Mandible molar triturative; palp symmetrical. Maxilla 1 basal endite apically setose or without setae; palps symmetrical. Maxilla 2 basal endite without oblique setal row. Coxal gills on pereopods 2–6, stalked (without proximal restriction) or not stalked; sternal gills present, simple; sternal blisters absent; oostegites fringing setae simple. Gnathopod 1 subchelate; similar in males and females (not sexually dimorphic); similar in size to gnathopod 2; propodus palm without robust setae along palmar margin. Gnathopod 2 subchelate; similar in males and females (not sexually dimorphic); carpus not produced along posterior margin of propodus, projecting between merus and propodus. Pereopods 3–4 not sexually dimorphic. Pereopod 4 without posteroventral lobe. Pereopod 5 shorter than pereopod 6; coxa with small anteroventral lobe or without lobes. Pereopod 7 longer than pereopod 5. Pleonites 1–3 without dorsal carinae. Urosomites 1–3 free; without slender or robust dorsal setae. Urosomite 1 with large distoventral robust seta. Urosomite 2 without dorsal setae. Uropod 1 without basofacial robust setae. Uropod 3 not sexually dimorphic; biramous or uniramous, without plumose setae; endopod minute. Telson notched or entire ; dorsal or lateral robust setae absent; apical robust setae present.
Habitat. Freshwater, hypogean.
Included genera. Paracrangonyx Stebbing, 1899 b.
Distribution. New Zealand.
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.