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114 Lawrence W. Powers<br />
Frevillea A. Milne Edwards, 1880<br />
Frevillea barbala A. Milne Edwards, 1880 (Bull. Mus. Comp. Zool. 8: 15)<br />
As Goneplax barhata—Rathbun, 1918, p. 26, pi. 4, figs. 1, 3, pi. 5.<br />
As Frevillea barbala—Guinot, 1969a, p. 513, pi. II, fig. 2.<br />
Range: west coast of Florida; Yucatan (Gulf); north coast of Cuba; off<br />
Grenada.<br />
Depth: 55 to 168 m (30 to 92 fm).<br />
Habitat: sand, broken coral bottoms.<br />
Frevillea hirsuta (Borradaile, 1916) (Brit. Antarctic Exped., 1910, Zool., vol. 3,<br />
no. 2, p. 99)<br />
As Goneplax ftirsuta—Rathbun, 1918, p. 28, text-fig. 7; Williams, 1965, p. 201,<br />
fig. 184.<br />
As Frevillea hirsuta—Guinot, 1969a, p. 513, te.Yt-figs. 33, 40, 58-59, pi. II. fig. 3.<br />
Range: off North Carolina; off west and northwest Florida and Alabama; north<br />
of Yucatan; off Rio de Janeiro, Brazil.<br />
Depth: 73 to 146 m (40 to 80 fm).<br />
Remarks: Collected by the R/V Oregon from the Gulf of Mexico (Chace,<br />
1956).<br />
Frevillea tridenlalaA. Milne Edwards, 1880.<br />
Transferred to the genus Trapezioplax by Guinot (1969a). Trapezioplax<br />
tridentata.<br />
Glyploplax Smith, 1870<br />
Glyploplax smithii A. Milne Edwards, 1880 (Crust. Reg. Mex., p. 336)<br />
Rathbun, 1918, p. 51, pi. 13, figs. 3-4; pi. 158, figs. 7-10; Milne Edwards & Bouvier,<br />
1923, p. 328, pi. 5, fig. 5; Williams, McCIoskey & Gray, 1968, p. 55, fig. 11; Guinot,<br />
1969a, p. 259.<br />
Range: Bermuda; off North Carolina; west coast of Florida; Cape Catoche,<br />
Yucatan (Gulf coast).<br />
Depth: 24 to 55 m (13 to 30 fm).<br />
Habitat: sand, coral, gravel and rock bottoms.<br />
Remarks: Guinot (1969a) believed that this species should be excluded from<br />
the genus, based on differences from the type species, G. pugnax, a Pacific form<br />
from Central America.<br />
Goneplax Leach, 1814<br />
(All three of the recognized Gulf species of this genus have been transferred<br />
to other genera by Guinot (1969a). Goneplax harhata and G. hirsuta<br />
are referred to Frevillea and G. tridentata is referred to Trapezioplax.)<br />
Neopilumnoplax Serene, 1969<br />
Neopilumnoplax americana (Rathbun, 1898) (Bull. Lab. Nat. Hist. State Univ.<br />
Iowa 4: 283)<br />
As Pilumnoplax americana—Rathbun, 1918, p. 21, text-figs. 5-6; Williams,