Crymostygiidae Kristjánsson & Svavarsson, 2004, Kristjansson & Svavarsson, 2004
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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.6150695 |
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persistent identifier |
https://treatment.plazi.org/id/164ACE3F-BE0C-FFB8-FF0B-FC73FE06B3F9 |
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treatment provided by |
Plazi |
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scientific name |
Crymostygiidae Kristjánsson & Svavarsson, 2004 |
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Crymostygiidae Kristjánsson & Svavarsson, 2004 View in CoL
Crymostygidae (sic) Kristjánsson & Svavarsson, 2004: 188.
Type genus. Crymostygius Kristjánsson & Svavarsson, 2004 .
Diagnostic description. Body subcylindrical. Eyes poorly developed. Antennae 1–2 calceoli absent. Antenna 1 slightly longer than antenna 2; peduncular article 1 slightly 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. Antenna 2 peduncular article 1 enlarged, bulbous. Mandible molar triturating; palp symmetrical. Maxilla 1 basal endite setose along medial margin; palps symmetrical. Maxilla 2 basal endite without oblique setal row. Labium inner lobes vestigial or absent. Coxal gills number and sequence [not known], stalked (with proximal restriction or complete suture) or stalked (without proximal restriction); sternal gills present, simple; sternal blisters absent; oostegites fringing setae simple. Gnathopod 1 subchelate; similar in size to gnathopod 2; propodus palm with row or rows of simple or bifid robust setae along palmar margin. Gnathopod 2 subchelate; 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. Pereopod 7 longer than pereopod 5. Pleonites 1–3 without dorsal carinae. Urosomites 1–3 free; with slender or robust dorsal setae. Urosomite 1 without large distoventral robust seta. Urosomite 2 without dorsal setae. Uropod 1 without basofacial robust setae. Uropod 3 biramous, without plumose setae; endopod minute. Telson entire ; dorsal or lateral robust setae absent; apical robust setae present.
Habitat. Freshwater, hypogean.
Included genera. Crymostygius Kristjánsson & Svavarsson, 2004 .
Distribution. Iceland.
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.