Shells of worm snails, also known as vermetids, from a Waialua beach. Some people call these mollusks tube snails, but since the reef also hosts abundant species of tube worms, this name is confusing.

COURTESY BOB LEINAU Cone snail shell with worm holes. Another borer that really is a worm is the bone-eating snot flower, a gelatinous creature with plume-bearing gills and rootlike tendrils that ...

Hermit crabs move into other animals’ discarded shells as shelter, because the ocean is a treacherous place, full of hungry predators. Half a billion years ago, another creature evolved the same ...

Hermit crabs were far from the first to call other creatures' discarded shells their own — fearsome 'penis worms' did the same thing 500 million years ago, a study found. Researchers led from Yunnan ...

A new study found that an ancient, odd-looking creature used shells to protect itself long before the hermit crab, a remarkable discovery that scientists say is the earliest example of the hermit life ...

Royal Netherlands Institute for Sea Research. "First record of invasive shell-boring worm in the Wadden Sea means trouble for oyster." ScienceDaily. ScienceDaily, 6 August 2020. <www.sciencedaily.com ...