Assertion: whelk's radula | /r/HasProperty | born on extensible proboscis
Facets:
value: as in many neogastropods
type: OTHER
Source sentences:
text: As in many neogastropods, the mouth and radula are born on an extensible proboscis, which in Nucella lapillus is approximately the same length as the shell in each individual (Barnes, 1980; Crothers, 1985).