{"version":"1.0","type":"link","title":"Siphonal notch - Newikis","description":"A siphonal notch is an indentation at the anterior end of the shell aperture in some sea snails (marine gastropod mollusks) through which the animal's siphon extends. Unlike a siphonal canal, a notch does not form a prolonged extension of the shell.","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/e/ee/Terebra_dimidiata.jpg","thumbnail_width":627,"thumbnail_height":800}