. The Echo. Mollusks. as in the Thaididae, the intermediates are appended to the inner margins of the laterals. Between the lateral cusps and the respective ends of the tooth a series of two to eight denticles is evident. The four lower corners of the three-dimensionally rectangular base of the tooth are drawn into sharp, cusp-like points. The central cusp is large and projects beyond the remainder of the cusps on a narrow to moderately broad, cowl- like structure. This imparts a beak-like or fang-like appear- ance to this cusp when viewed from the side (Figure 17).. Figure l6. Ocenebra foveol
. The Echo. Mollusks. as in the Thaididae, the intermediates are appended to the inner margins of the laterals. Between the lateral cusps and the respective ends of the tooth a series of two to eight denticles is evident. The four lower corners of the three-dimensionally rectangular base of the tooth are drawn into sharp, cusp-like points. The central cusp is large and projects beyond the remainder of the cusps on a narrow to moderately broad, cowl- like structure. This imparts a beak-like or fang-like appear- ance to this cusp when viewed from the side (Figure 17).. Figure l6. Ocenebra foveolata, shell,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Western Society of Malacologists; Western Society of Malacologists. Abstracts and proceedings of the annual meeting. [San Diego, Calif. ] Western Society of Malacologists
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