Adjective
Having a soft or fragile shell.
Source: Webster's dictionarySome turtles do not have horny scutes; for example, the leatherback sea turtle and the soft-shelled turtles have shells covered with leathery skin, instead. Source: Internet
In contrast, aquatic and soft-shelled turtles have lighter shells that help them avoid sinking in water and swim faster with more agility. Source: Internet
Most of the organisms collected were simple, soft-shelled foraminifera (432 species according to National Geographic citation ), with four of the others representing species of the complex, multi-chambered genera Leptohalysis and Reophax. Source: Internet
The Rafetus euphraticus is an endangered soft-shelled turtle that is limited to the Tigris–Euphrates river system. Source: Internet
The soft-shelled clam is eaten either fried or steamed (and then called " steamers "). Source: Internet