A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 78. Caecum californicum. A. Profile view with periostracum (LACM 1971-100.31). B. Profile view without periostracum (LACM 1971-100.31). C. Ventral view (SBMNH 33319). D. Operculum, exterior surface (LACM 1971-100.31). E. Operculum, interior surface (LACM 1971-100.31). F. Caecum cooperi holotype, USNM 15719.
FIGURE 79. Caecum californicum shells at different growth stages. A. Protoconch and teleoconchs I to II (LACM 1972- 109.41). B. Surface of teleoconch I (LACM 1972-109.41). C. Surface of teleoconch II (LACM 1972-109.41). D. Teleoconchs I to IV (LACM 1972-109.41). E. Surface of teleoconch III (LACM 1972-109.41). F. Surface of teleoconch IV (SBMNH 33319). G. Teleoconchs III to V (SBMNH 33319). H. Teleoconchs IV to V (LACM 1972-109.41). I. Surface of teleoconch V (LACM 1971-100.31). J. Surface of teleoconch VI (LACM 1971-100.31) K. Teleoconch V (LACM 1971-100.31). L. Teleoconch VI (LACM 1971-100.31).
FIGURE 80. Caecum californicum. A. Conceptual reconstruction of growth stages. B. Species distribution map.
Royal Palms State Beach & Palos Verdes Peninsula