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Definition of peltogaster in US English:
peltogaster
noun
ZoologyA rhizocephalan cirripede of the genus Peltogaster, parasitic on hermit crabs; (in form Peltogaster) the genus itself.
Origin
Late 19th century; earliest use found in American Naturalist. From scientific Latin Peltogaster, genus name from ancient Greek πέλτη + scientific Latin -o- + ancient Greek γαστήρ stomach.
