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Page 144 THE FESTIVUS Vol. XXXIX: Supplement
Plate 37
Figures 1a, 1b, 1c, 1d Heliacus mazatlanicus Pilsbry & Lowe, 1932.
Île Clipperton, (10°16’56”N, 109°12’53”W) S-SE end, empty shell, dead coral head shakings, 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.-5 May 1998. KLK Coll. 201172. Size: 5.9
mm (SEMs by D.L. Geiger). Photographs 1b and 1d by P. Sadeghian.
Figures 2a, 2b, 2c, 2d Heliacus sp. 1.
Île Clipperton, (10°18’08”N, 109°14’06”W), live, steep slope of Pocillopora spp., shakings, 12-15 m (40-49 ft),
H 2 O 83°F, leg. K.L. Kaiser (ICF-21-94), diving from M/V Royal Star, 20 Apr. 1994. KLK Coll. 201175. Size: 3.3
mm (SEMs by D.L. Geiger).
Figures 3a, 3b, 3c, 3d Architectonicidae sp. 1.
Île Clipperton, (10°19.219’N, 109°13.394’W) SW side, empty shell, turnable dead coral in sand, SCUBA, suction,
55 m (180 ft), H 2 O 80°F, leg. Bouchard, Albenga, Dugrais (ICF-007-05), Jean-Louis Etienne Expedition, 20 Jan.
2005. KLK Coll. 210344. Size: 2.0 mm (SEMs by D.L. Geiger).
Figures 4a, 4b Architectonicidae sp. 2.
Île Clipperton, (10°19.219’N, 109°13.394’W) SW side, empty shell, turnable dead coral in sand, SCUBA, suction,
55 m (180 ft), H 2 O 80°F, leg. Bouchard, Albenga, Dugrais (ICF-007-05), Jean-Louis Etienne Expedition, 20 Jan.
2005. KLK Coll. 210345. Size: 4.0 mm (SEMs by D.L. Geiger).
Figures 5a, 5b Architectonicidae sp. 3.
Île Clipperton, (10°19.219’N, 109°13.394’W) SW side, empty shell, turnable dead coral in sand, SCUBA, suction,
55 m (180 ft), H 2 O 80°F, leg. Bouchard, Albenga, Dugrais (ICF-007-05), Jean-Louis Etienne Expedition, 20 Jan.
2005. KLK Coll. 210346. Size: 2.8 mm (SEMs by D.L. Geiger).