Scherocumella, Watling, 1991

Petrescu, Iorgu, 2018, On the Family Nannastacidae (Crustacea, Cumacea) from the Australian Museum Collection, Records of the Australian Museum 70 (1), pp. 1-111 : 40

Key to species of Scherocumella from Australian waters

1 Carapace, pereon and pleon with dorsal tubercles .................................................................... 2

—— Carapace, pereon and pleon without dorsal tubercles ............................................................... 4

2 First 4 pleonites with tubercles .................................................................................................. 3

—— First 2 pleonites with dorsal tubercles ........................................................ S. vieta ( Hale, 1945)

3 Pleonites 3–6 with dorsal carina .............................................................. S. weinbergae sp. nov.

—— Pleonites 3–6 without dorsal carina ........................................................ S. clavata ( Hale, 1945)

4 Peduncle of uropod longer than pleonite 6 ................................................................................ 5

—— Peduncle of uropod shorter than pleonite 6 ............................................................................... 7

5 Peduncle of uropod more than twice as long as pleonite 6 ................ S. nasuta ( Zimmer, 1914)

—— Peduncle of uropod less than twice as long as pleonite 6 ......................................................... 6

6 Peduncle of uropod 1.3 pleonite 6 length ............................................... S. sheardi ( Hale, 1945)

—— Peduncle of uropod 1.12 pleonite 6 length ................................................. S. wittmanni sp. nov.

7 Carapace, length/height: 1.5 ................................................................. S. nichollsi ( Hale, 1949)

—— Carapace, length/height: 2 ........................................................................... S. lima ( Hale, 1936)