Nannastacidae (Crustacea: Cumacea) from eastern Bass Strait, the south-eastern Australian slope, and Antarctica in the collections of Museum Victoria Author Petrescu, Iorgu text Memoirs of Museum Victoria 2006 2006-12-31 63 2 129 173 https://museumsvictoria.com.au/collections-research/journals/memoirs-of-museum-victoria/volume-63-issue-2-2006/pages-129-173/ journal article 10.24199/j.mmv.2006.63.14 1447-2554 10665606 Styloptocumoides gen. nov. Type species . Styloptocumoides australiensis sp. nov. , here designated. Diagnosis . Carapace with short pseudorostrum, eyeless ocular lobe reaches its extremity. 5 free pedigerous somites. No trace of exopods in maxilliped 3 or pereopods in females. Gender. Masculine. Etymology . The new genus looks like Styloptocuma Băcescu and Muradian, 1974 . Remarks. The closest genus to Styloptocumoides is Styloptocuma Băcescu and Muradian, 1974 , especially regarding the carapace, with the ocular lobe reaching the tip of the pseudorostrum. The main difference is the total absence of exopods in the females of Styloptocumoides . A second difference is five instead of four free thoracic segments.