Complex sentence: In nature, eyestalks are sometimes called "tentacles", and may also have olfactory organs at their ends; examples of creatures with olfactory eyestalks include snails, the trilobite superfamily Asaphida, and the fly family Diopsidae.
Split into simpler sentences: In nature, eyestalks are sometimes called "tentacles", and may also have olfactory organs at the end. Examples include snails, the trilobite superfamily Asaphida, and fly family Diopsidae.