Dimensions.—Shell 0.06 long, 0.07 broad; horn and feet 0.05 long.
Habitat.—Fossil in Barbados.
3. Phænocalpis carinata, Haeckel.
Petalospyris carinata, Ehrenberg, 1875, Abhandl. d. k. Akad. d. Wiss. Berlin, p. 80, Taf. xxii. fig. 6.
Shell campanulate, rough, with irregular roundish pores, smaller than the bars. Columella straight, central, prolonged into a stout conical horn of the same length. Nine basal feet slender, triangular, longer than the shell, nearly vertical, with a middle rib in the basal half.
Dimensions.—Shell 0.05 long, 0.06 broad; horn 0.04 long, feet 0.08 long.
Habitat.—Fossil in Barbados.
4. Phænocalpis flabellum, Haeckel.
Petalospyris flabellum, Ehrenberg, 1875, Abhandl. d. k. Akad. d. Wiss. Berlin, Taf. xxii. fig. 7.
Shell campanulate smooth, with very small circular pores, half as broad as the bars. Columella straight, central, prolonged into a pyramidal horn of half the length. Twelve to fifteen basal feet lamellar, linear, twice to three times as long as the shell, parallel and vertical, pointed at the distal end.