Key to species of Scherocumella from Australian waters

1. Peudorostral lobes long 2

— Peudorostral lobes short 3

2. Carapace with a dorsal hump behind frontal lobe S. nasuta camelus Zimmer, 1914

— Carapace with no dorsal hump S. nasuta nasuta Zimmer, 1914

3. Pereon and pleon with dorsal tubercles 4

— Pereon and pleon without tubercles 5

4. Carapace with serrated dorsal and lateral rows S. vieta Hale, 1949

— Carapace without serrated rows S. clavata Hale, 1945

5. Uropod peduncle longer than pleotelson S. sheardi Hale, 1945

— Uropod peduncle shorter than pleotelson S nichollsi Hale, 1949