Subfamily Calliostomatinae
Genus Calliostoma Swainson 1840
Plate 17w
North Carolina to Florida and Texas.
3⁄4 inch in length, equally wide. Angle of spire about 70 degrees. Sides of whorls slightly concave. Periphery well-rounded. No umbilicus. Whorls with 6 major, well-beaded, spiral cords between each of which is a much smaller, weakly beaded thread. Color dull-rose, sometimes with axial flam-mules of cream. Nucleus pink or, when worn, dark purple. Moderately common in some localities from low tide mark to 32 fathoms.
Plate 3n
Lower Florida Keys and the West Indies.
3⁄4 to 1 inch in length, slightly wider. Angle of spire about 70 degrees. Sides of whorls flat; periphery sharp; base flat. Umbilicus deep, smooth-sided, white. Whorls characterized by 10 spiral, beaded threads between each of which there is a dark-chocolate line. Base olive with about 5 to 6 fine, brown, spiral lines. A very beautiful and moderately rare species much sought after by collectors.
North Carolina to both sides of Florida and Yucatan.
1⁄2 inch in length, 3⁄4 as wide. Angle of spire about 50 degrees. Sides of whorls well-rounded, and with 8 to 9 crowded spiral rows of numerous neat beads. Columella upright, strong, with a slight twist. Color of shell light orange-tan to cream, often with arched splotches of darker color running axially across the whorl. No umbilicus. Aperture pearly-rose. Uncommon from 12 to 100 fathoms.
North Carolina to Florida, the Gulf of Mexico, and the West Indies.
3⁄8 inch in length, 3⁄4 as wide. Angle of spire about 50 degrees. Sides of whorls straight. Characterized by a pair of strong, spiral cords just above the suture which are white with distantly spaced red-brown dots. Rest of whorl pearly-green with 6 to 7 very weak (or sometimes strong) beaded spiral threads. Columella almost upright, its inner side rounded, pearly. No umbilicus. Moderately common from 1 to 40 fathoms.
