Platorchestia, Bousfield, 1982

Lowry, J. K., 2012, Talitrid amphipods from ocean beaches along the New South Wales coast of Australia (Amphipoda, Talitridae), Zootaxa 3575, pp. 1-26 : 14

Key to Platorchestia (group 2) species (adult males)

1. Gnathopod 2 male propodus palm smooth........................................... P. ashmoleorum Stock, 1996

- Gnathopod 2 male propodus palm with weak proximal palmar sinus............................................ 2

2. Gnathopod 2 male propodus about 1.3 × as long as broad. Pereopod 7 basis about as long as broad........................................................................................ P. monodi Mateus, Mateus & Afonso, 1986

- Gnathopod 2 male propodus about 2.5 × as long as broad. Pereopod 7 basis 1.5 × as long as broad........ P. smithi sp. nov.