Styloptocuma Băcescu and Muradian, 1974

Petrescu, Iorgu, 2006, Nannastacidae (Crustacea: Cumacea) from eastern Bass Strait, the south-eastern Australian slope, and Antarctica in the collections of Museum Victoria, Memoirs of Museum Victoria 63 (2), pp. 129-173 : 163

publication ID	https://doi.org/ 10.24199/j.mmv.2006.63.14
DOI	https://doi.org/10.5281/zenodo.10871036
persistent identifier	https://treatment.plazi.org/id/0392ED11-1226-C019-D096-FB1F6888FEB1
treatment provided by	Felipe
scientific name	Styloptocuma Băcescu and Muradian, 1974
status

Treatment

Styloptocuma Băcescu and Muradian, 1974 View in CoL

Styloptocuma Băcescu and Muradian, 1974: 74 View in CoL .— Băcescu, 1992: 262.— Petrescu and Watling, 1999: 306.

Americuma Watling, 1991a: 580–581 View in CoL .

Cumella (Styloptocuma) .— Watling, 1991b: 752.

Type species. Styloptocuma antipai Băcescu and Muradian, 1974 .

Remarks. Styloptocuma is characterised by pseudorostral lobes reaching the extremity of the ocular lobe, the ocular lobe without visual elements, and uropods with long peduncles, twice or even longer than pleonite 6. The genus has not previously been recorded from Australia.

Key to species of Styloptocuma View in CoL from Australian waters (females only)

1. Carapace dorsally and ventrally serrated 2

— Carapace without serration 4

2. Carapace only with ventral serration S. granulosum View in CoL sp. nov.

— Carapace with dorsal and ventral serration 3

3. Carapace with a lateral serrated row S. spinosum View in CoL sp. nov.

— Carapace without lateral serrated row S. poorei View in CoL sp. nov.

4. Dactylus of pereopod 2 twice as long as propodus S. australiense View in CoL sp. nov.

— Dactylus of pereopod 2 quarter length of propodus S. nodosum View in CoL sp. nov.