. The Echo. Mollusks. Figure 9. Typhis coronata, shell. Figure 10. Aspella, cf< A. pyramidalis, shell. The operculum and radula of these forms allies the Typhinae most closely to the Muricinae. The typhine radula is quite small and consists of two typically muricid lateral teeth flanking a simple, five-cusped rachidian tooth. The sharp cusps of the rachidian are all of almost equal length (Figure 11).. 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


. The Echo. Mollusks. Figure 9. Typhis coronata, shell. Figure 10. Aspella, cf< A. pyramidalis, shell. The operculum and radula of these forms allies the Typhinae most closely to the Muricinae. The typhine radula is quite small and consists of two typically muricid lateral teeth flanking a simple, five-cusped rachidian tooth. The sharp cusps of the rachidian are all of almost equal length (Figure 11).. 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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