Diastylopsis Smith, 1880

Gerken, Sarah, 2015, New Zealand Diastylidae and Gynodiastylidae (Crustacea: Cumacea), Zootaxa 4031 (1), pp. 1-77 : 42

publication ID	https://doi.org/10.11646/zootaxa.4031.1.1
publication LSID	lsid:zoobank.org:pub:19E72EB1-B55C-40C0-AD11-23BA6E97D438
DOI	https://doi.org/10.5281/zenodo.6122540
persistent identifier	https://treatment.plazi.org/id/C70EEC59-6E0C-FFEB-FF24-1C8EFD227823
treatment provided by	Plazi (2016-04-22 01:27:38, last updated 2024-11-26 01:39:09)
scientific name	Diastylopsis Smith, 1880
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Diastylopsis Smith, 1880 View in CoL

Type species. Diastylopsis dawsoni Smith, 1880 .

Diagnosis. Female and subadult male. Carapace elongate. Pereonites 2 and 3 separated ventrally. Pereonites 3– 4 may be fused dorsally, free ventrally. Pereopods 3–4 with or without rudimentary exopods in female in the female. Telson with post-anal portion, with or without lateral setae, 2 or rarely 3 terminal setae.

Adult male. Antennae extending to end of pleon. With 2 pairs of pleopods.

Remarks. Nearly half of the species of Diastylopsis are known from New Zealand waters.

All species. Diastylopsis annulata ( Zimmer, 1902) , D. aspratilis n. sp., D. bicarina n. sp., D. crassior Calman, 1911 , D. dawsoni Smith, 1880 , D. elongata Calman, 1911 , D. goeki Roccatagliata & Heard, 1992 , D. incompta Gerken, 2014 , D. senta Gerken, 2014 , D. tenuis Zimmer, 1936 , D. thilenuisi ( Zimmer, 1902) , D. trisetosa Gerken, 2014 .

New Zealand species. Diastylopsis aspratilis n. sp., D. bicarina n. sp., D. crassior Calman, 1911 , D. elongata Calman, 1911 , D. thilenuisi ( Zimmer, 1902) .

References

Calman, W. T. (1911) On new and rare Crustacea of the order Cumacea from the collection of the Copenhagen Museum - Part II. The families Nannastacidae and Diastylidae. Transactions of the Royal Society of London, 18, 341 - 400.

Gerken, S. (2014) Eleven new species and a new genus of Diastylidae Crustacea: Cumacea) from Australia and one new species from Canada. Records of the Australian Museum, 66 (1), 1 - 62. http: // dx. doi. org / 10.3853 / j. 2201 - 4349.66.2014.1601

Roccatagliata, D. & R. W. Heard. (1992) Diastylopsis goeckei, a new species (Crustacea: Cumacea: Diastylidae) from Antarctic waters. Proceedings of the Biological Society of Washington, 105 (4), 743 - 742.

Smith, S. O. (1880) Notes on Crustacea collected by Dr. G. M. Dawson at Vancouver and the Queen Charlotte Island. Reports of the Geological Survey of Canada, 1878 / 1879, 206 - 218.

Zimmer, C. (1902) Cumaceen. Hamburger Magalhaensischen Sammelreise, 2, 1 - 18.