Wiktionary
clamlike
a. Resembling a clam or some aspect of one.
Usage examples of "clamlike".
Data inspecting a collection of thick clamlike shells stacked neatly against a wall.
Large clamlike creatures with lots of tentacles, but they rarely move once full grown.
The clawed feet dug into the gravel with a crunch as the stubby, L-shaped right arm mounted on the side of its clamlike body raked back and forth across the courtyard.