Segmenatidae
Segmentatidae is a family of marine snails comprising a single genus, Segmentata. These snails are characterized by their segmented shells, a unique feature among gastropods. The shell is composed of distinct, overlapping plates that can be retracted or extended, allowing the snail to navigate tight spaces or protect itself from predators. Segmentatidae snails are found in shallow coastal waters, typically in rocky intertidal zones. They are omnivorous, feeding on algae, small invertebrates, and detritus. Their segmented shell provides excellent camouflage against the varied textures of their rocky habitat. Reproduction in Segmentatidae is oviparous, with females laying clutches of eggs that develop into planktonic larvae before settling to the seabed. Due to their specialized habitat and relatively small population sizes, Segmentatidae are not commercially exploited. Their unique shell morphology makes them of interest to malacologists studying shell development and biomechanics. Further research is ongoing to understand the full ecological role and evolutionary history of this intriguing family.