392 
S.D. Cairns 
pi. 29, figs. a-b.—Cairns and Zibrowius, 1997: 
146-147. 
New Records 
Diamantina: stn 185, 1, WAM 175-83. 
Lady Basten: stn LB5(s), 1, WAM 29-96. 
Espiritu Santo: stn E68-743, 2, AMS G15362. 
Other records: Port Essington, Cobourg Peninsula, 
Northern Territory, 1, NTM C8037. 
Distribution 
Western Australia: from Port Hedland to off 
Point Cloates; 137-160 m. Elsewhere: Indo-West 
Pacific (southwestern Indian Ocean to southern 
Japan); 50-421 m (Cairns and Zibrowius 1997). 
Tropidocyathus labidus Cairns and Zibrowius, 
1997 
" Tropidocyathus" labidus Cairns and Zibrowius, 
1997: 148, figs. 20 a-g. 
New Records 
Umataka Marti: stn 6921, 4, WAM 145, and 151- 
84; stn 6930, 1, USNM 97011. 
Distribution 
Western Australia: continental slope of 
northwestern coast from Browse Island to Rowley 
Shoals; 300-380 m. Elsewhere: Indonesia; Ryukyu 
Islands; 206-425 m (Cairns and Zibrowius 1997). 
Genus Cyathotrochus Bourne, 1905 
Cyathotrochus pileus (Alcock, 1902a) 
Trochocyatlius pileus Alcock, 1902a: 96-97. 
Tropidocyathus pileus - Cairns, 1989: 34-35, pi. 17, 
figs, a-h (synonymy and description); 1994: 68, 
pi. 29, figs, d-5; 1995: 91, pi. 28, figs. a-c. 
"Tropidocyathus" pileus - Cairns and Zibrowius, 
1997: 147-148, figs. 19 h-i. 
New Records 
Soela: stn 01/84/54, 2, WAM 267- and 268-93; 
stn 01/84/55, 3: 2 (WAM 559-84), 1 (USNM 97012); 
stn 01/84/74, 2, WAM 532-84. 
Umataka Marti: stn 6921, 2, WAM 144-84. 
Franklin: stn GAB042, 1, SAM H873. 
Lady Basten: stn LB8(t), 1, WAM 49-96. 
Distribution 
Western Australia: continental slope of 
northwestern coast from Browse Island to Rowley 
Shoals; Great Australian Bight; 234-348 m. 
Elsewhere: Indo-West Pacific (southwestern Indian 
Ocean to Japan, including Queensland and Norfolk 
Ridge); 123-522 m (Cairns and Zibrowius 1997). 
Genus Deltocyathoides Yabe and Eguchi, 1932 
Deltocyathoides orientalis (Duncan, 1876) 
Deltocyathus orientalis Duncan, 1876: 431, pi. 38, 
figs. 4—7. 
Peponocyathus orientalis - Veron, 1986: 608. 
Peponocyathus australiensis - Cairns, 1989: 29, 30-32, 
pi. 14, figs, d-j, pi. 15, figs, a-d (synonymy and 
description).—Cairns and Parker, 1992: 39-40, 
pi. 13, figs. c-d.—Cairns, 1994: 64-65, pi. 28, 
figs, c-f, pi. 41, fig. i. 
Deltocyathoides orientalis - Cairns and Zibrowius, 
1997: 144-145. 
New Record 
Umataka Marti: stn 6920, 3, WAM 326-89. 
Distribution 
Western Australia: south of Rowley Shoals; 260 
m. Elsewhere: Indo-West Pacific (southwestern 
Indian Ocean to Japan, including South Australia 
and Queensland); 44-635 m (Cairns and Zibrowius 
1997). 
Superfamily Flabelloidea Bourne, 1905 
Family Guyniidae Hickson, 1910 
Genus Guynia Duncan, 1872 
Guynia annulata Duncan, 1872 
Guynia annulata Duncan, 1872: 32, pi. 1, figs. 1- 
8.—Cairns, 1989: 42M3, pi. 21, fig. f, pi. 22, figs, a- 
e (synonymy and description).—Cairns and Parker, 
1992: 42-43, pi. 14, figs. g-h.—Cairns and 
Zibrowius, 1997: 150. 
New Record 
Espiritu Santo: stn E68-743, 3, AMS G15273. 
Distribution 
Western Australia: known only from continental 
shelf near Glomar Shoal; 137 m. Elsewhere: 
cosmopolitan in tropical and warm temperate 
regions, except for eastern Pacific, including off South 
Australia; 28-653 m (Cairns and Zibrowius 1997). 
Family Flabellidae Bourne, 1905 
Genus Flabellum Lesson, 1831 
Subgenus Flabellum Lesson, 1831 
Flabellum (F.) magnificum Marenzeller, 1904 
Flabellum magnificum Marenzeller, 1904: 276-277, 
pi. 17, fig. 13.—Cairns, 1989: 50-51, pi. 25, figs, 
a-j (synonymy and description).—Grygier, 
1991: 43, fig. 21H.—Cairns, 1994: 72, pi. 31, figs, 
j—L—Cairns and Zibrowius, 1997: 151-152. 
