Hughes: southern Australian podocerid amphipods 
79 
Figure 6. Podocerus akanthius sp. nov. male specimen, AM P.78213, Twofold Bay, New South Wales. SEM photographs: (A) whole animal 
lateral view; (B) whole animal dorsal view (scale 200 pm); (C) gnathopod 2 propodus palm plumose setae (scale 30 pm); (D) head lateral 
view (scale 100 pm); and (E) head dorsal view (scale 100 pm). 
(35°4'S 117°56’E), 2 m, grey sponge with crinoids, 13 December 1983, 
coll. R. Springthorpe (WA 114); 11 specimens, AM P.79845, Vancouver 
Peninsula, Kalbarri, Albany (35°4'S 117°56E), 2 m, soft corals, 13 December 
1983, coll. J. K. Lowry (WA 105); 7 specimens, AM P.79488, near Shelley 
Beach, rocky shore, Bunker Bay, south of Busselton, near Cape Naturaliste 
(33°32'33"S 115 0 1'47''E), 0.5 m, on mixed brown algae Cystophora sp. and 
Sargassum sp., 4 December 2000, coll. R. A. Peart (WA 729); 1 specimen, 
NMV J56989, north side, Cape Riche (34°37'00"S 118°47'00"E), 7.0 m, 14 
April 1984 (SWA 49). 
Diagnosis. Head dorsally smooth; Gnathopod 1 propodus 
subrectangular, palm margin minutely serrate, with 4 robust 
setae near corner of palm. Gnathopod 2 propodus elongate, 
subovoid, propodus palm acute, straight, smooth, without 
distal shelf. Pereonite 7 dorsal carina produced posteriorly, 
subtriangular, apically acute. Pleonite 1-2 dorsal carina 
produced posteriorly, subtriangular, apically acute. 
Female Gnathopod 1 carpus rectolinear, twice as long 
as broad; propodus subovate, twice as long as broad, palm 
convex, margin minutely serrate, defined by 2 robust setae, 
without palm defining corner. Gnathopod 2 basis anterior 
margin subquadrate; merus lobe as broad as long, posterior 
