Answer: turtles

AnswerCrossword Clue
TURTLES

Critters in shells

TURTLES

Food for the Swiss Family Robinson.

TURTLES

Leatherbacks.

TURTLES
Diamondbacks.
TURTLES
Long-lived reptiles.
TURTLESReptiles.
TURTLESLoggerheads.
TURTLESTerrapins
TURTLESTestudinates
TURTLESChocolate treats
TURTLESThey have retractable heads
TURTLES"Happy Together" band
TURTLESPets kept in terrariums
TURTLESAnimals symbolizing the universe in Chinese culture