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Page 76 THE FESTIVUS Vol. XXXIX: Supplement
Plate 3
Figure 1 Isognomon janus Carpenter, 1857.
Île Clipperton, (10°17.282’N, 109°12.025’W) SE side, live, diving from M/V Royal Star, leg. H.W. Chaney, 17-26
Apr. 1994, SCUBA, 10-20 m (33-66 ft), reef slopes, dead coral rubble, H 2 O 83-84°F. SBMNH 353418 (wet coll.).
Size: 61 mm. Photograph by P. Sadeghian.
Figure 2a Isognomon recognitus (Mabille, 1895).
Île Clipperton, (10°19’13”N, 109°14’06”W) NW corner, live, tangle net, attached with byssus to coral rubble, 63 m
(206 ft), leg. K.L. Kaiser (ICF-2-98), R/V Urracá, 04 May 1998. KLK Coll. 201267. Size: 22.5 mm. Photographs
by P. Sadeghian.
Figures 2b, 2c Isognomon recognitus (Mabille, 1895).
Close up of hinge area of specimen Figure 2a.
Figure 3 Malleus regulus (Forskäl, 1775).
Île Clipperton, (10°18’41”N, 109°12’34”W), empty shell, in coral heads, 12-21 m (40-69 ft), H 2 O 84°F, leg. K.L.
Kaiser (ICF-1-94), diving from M/V Royal Star, 14 Apr. 1994. KLK Coll. 201278. Size: 12.2 mm. Photograph by P.
Sadeghian.
Figures 4a, 4b Malleus regulus (Forskäl, 1775).
Île Clipperton, (10°16’56”N, 109°12’53”W) S-SE end, live, in crevice of dead coral head, 11-15 m (35-50 ft), H 2 O
84°F, leg. K.L. Kaiser (ICF-4-98), diving from R/V Urracá, 21 Apr. 1998. KLK Coll. 201276. Size: 11.9 mm. Photographs
by P. Sadeghian.
Figure 5 Streptopinna saccata (Linnaeus, 1758).
Île Clipperton, (10°17.310’N, 109°12.191’W), live, attached by byssus in crevice of dead coral heads, 13 m (43
ft), H 2 O 80-82°F, leg. K.L. Kaiser (ICF-002-05), Jean-Louis Etienne Expedition, 17 Jan. 2005. KLK Coll. 210399.
Size: 130 mm. Photograph by Laurent Albenga.
Figure 6 Pinna rugosa Sowerby, 1835.
Île Clipperton, (10°18’17”N, 109°11’52”W), juvenile, empty shell, dead Pocillopora sp. shakings, 12-15 m (40-50
ft), H 2 O 83°F, leg. K.L. Kaiser (ICF-12-94), diving from M/V Royal Star, 18 Apr. 1994. KLK Coll. 201247. Size:
4.3 mm. Photograph by P. Sadeghian.