Two new anchialine amphipods from Western Australia 
and rastellate; maxilliped article 3 not apically 
extended, the outer lobe ovate, not subquadrate, 
bearing 7 slender curved spines rather than 5 
robust spines, the inner lobe pyriform with lateral, 
facial, medial setae and spines; propodus of G1 
lacking spines at palmar comer and without bifid 
spines; palmar spines of G2 without triggers, dactyl 
bearing prominent recumbent inner tooth spines; 
coxal gills 4-5 largest, 1.5X gills of Cl-2; pleopods 
simple without accessory retinacula, all setae 
plumose, not bifid; uropods with fewer setae and 
spines; telson without medial and lateral spines, 
with apical penicillate setules. 
Etymology 
Named for the presence of large coxal gills. 
ACKNOWLEDGEMENTS 
We thank the collectors of the material. Dr W.F. 
Humphreys and his assistants at the Western 
Australian Museum, and the Western Australian 
Museum for permission to examine the specimens. 
The Australian Biological Resources Study 
provided financial support. W.F. Humphreys 
received logistic support and victualling from West 
Australian Petroleum, Pty Ltd. 
REFERENCES 
Andres, H.G. (1978). Liagoceradocus acutus sp.n., ein 
Gammaride aus der Jameos del Agua auf Lanzarote 
(Amphipoda, Crustacea). Mitleilungen aus dem 
409 
z oologischen Slaatginstut und zoologischen Museum in 
Hamburg 75: 249-253. 
Barnard, J.L. (1965). Marine amphipods of atolls in 
Micronesia. Proceedings of the U.S. National Museum 
117 (3516): 459-552. 
Barnard, J.L. (1977). The cavernicolous fauna of 
Hawaiian lava tubes, 9. Amphipoda (Crustacea) 
from brackish lava ponds on Hawaii and Maui. 
Pacific Insects 17: 267-99. 
Barnard, J.L. and Barnard, C.M. (1983). Freshwater 
amphipods of the World. 2 vols, 830 pp. Hayfield 
Associates, Mt. Vernon, Virginia. 
Barnard, J.L. and Williams, W.D. (1995). The taxonomy 
of Amphipoda (Crustacea) from Australian fresh 
waters: Part 2. Records of the Australian Museum 47: 
161-201. 
Ledoyer, M. (1982). Crustac6s Amphipodes 
Gammariens. Families des Acanthonozomatidae a 
Gammaridae. Faune de Madagascar 59 (1): 1-598. 
Ronde-Broeckhuizen, B. and Stock, J.H. (1987). 
Liagoceradocus acutus Andres, 1978, a blind anchialine 
amphipod from Lanzarote: redescription, taxonomic 
status and occurrence. Bulletin of the Zoological 
Museum of the University of Amsterdam 11: 25-37. 
Stock, J.H. and Iliffe, T.M. (1991). Two new species of 
Liagoceradocus (hypogean Amphipoda) from south¬ 
western Pacific Islands, with key to the world 
species. Invertebrate Taxonomy 5: 807-825. 
Williams, W.D. and Barnard, J.L. (1988). The taxonomy 
of crangonyctoid amphipoda (Crustacea) from 
Australian fresh waters: foundation studies. Records 
of the Australian Museum, Supplement 10: 1-180. 
Manuscript received 29 June 1995; accepted 9 October 1995. 
