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Page 114 THE FESTIVUS Vol. XXXIX: Supplement
Plate 22
Figure 1 Atlanta fusca Souleyet, 1852.
Île Clipperton, (10°19’18”N, 109°13’43”W) NW corner, empty shell, shakings of dead coral, 12-30 m (40-100 ft),
H 2 O 84°F, leg. K.L. Kaiser (ICF-7-98), diving from R/V Urracá, 16 Apr. 1998. KLK Coll. 200754. Size: w. 0.75
mm, h. 0.55 mm (SEM by D.L. Geiger). Debris showing in aperture.
Figures 2a, 2b Atlanta cf. gaudichaudi Souleyet, 1852.
Île Clipperton, (10°17’29”N, 109°13’30”W), empty shell, steep slope of Pocillopora spp., shakings, 12-43 m (40-
141ft), H 2 O 83-84°F, leg. K.L. Kaiser (ICF-7-94), diving from M/V Royal Star, 16 Apr. 1994. KLK Coll. 200753.
Size: 1.50 mm, protoconch 1.24 mm (SEMs by D.L. Geiger).
Figure 3 Atlanta cf. inflata Souleyet, 1852.
Île Clipperton, (10°17’29”N, 109°13’32”W), S end landing site, empty shell, dead coral heads, shakings, 9-27 m
(30-90 ft), H 2 O 84°F, leg. K.L. Kaiser (ICF-3-98), diving from R/V Urracá, 21 Apr. 1998. KLK Coll. 200750. Size:
0.35 mm (SEM by D.L. Geiger). Debris showing in aperture.
Figure 4 Oxygyrus keraudrenii (Lesueur, 1817).
Île Clipperton, (10°17’29”N, 109°13’32”W) S end landing site, empty shell (bellerophina stage), under dead coral in
sand, shakings, 9-27 m (30-90 ft), H 2 O 84°F, leg. K.L. Kaiser (ICF-3-98), diving from R/V Urracá, 21 Apr. 1998.
KLK Coll. 200751. Size: w. 0.50 mm, h. 0.48 mm (SEM by D.L. Geiger). Debris showing in aperture.
Figures 5a, 5b, 5c Pterosoma cf. planum (Lesson, 1827).
Île Clipperton, (10°18’56”N, 109°12’52”W), empty larval shell, turnable dead coral, 11-22 m (36-72 ft), H 2 O 83-
84°F, leg. K.L. Kaiser (ICF-24-94), diving from M/V Royal Star, 22 Apr. 1994. KLK Coll. 200468. Size: 0.99 mm
(SEMs by D.L. Geiger).
Figures 6a, 6b Carinariidae sp. 1.
Île Clipperton, (10°17’17”N, 109°12’01”W), empty larval shell, dead Porites sp., shakings, 15 m (50 ft), H 2 O 83-
84°F, leg. K.L. Kaiser (ICF-15-94), diving from M/V Royal Star, 19 Apr. 1994. KLK Coll. 200466. Size: 0.72 mm
(SEMs by D.L. Geiger).
Figures 7a, 7b, 7c Firoloida desmaresti Lesueur, 1817.
Île Clipperton, (10°17’17”N, 109°12’01”W), empty larval shell, dead Porites sp., shakings, 15 m (50 ft), H 2 O 83-
84°F, leg. K.L. Kaiser (ICF-15-94), diving from M/V Royal Star, 19 Apr. 1994. KLK Coll. 200471. Size: 0.58 mm,
protoconch 0.20 mm (SEMs by D.L. Geiger).