Assertion: crustacean | /r/HasProperty | malacostraca
Facets:
value: with six extant classes
type: OTHER
Source sentences:
text: With six extant classes, the most common crustaceans encountered in Maryland are Branchiopoda, Malacostraca, and Maxillopoda.
text: The world's largest crustacean is a malacostracan
text: Euphausiacea itself is part of a larger group of crustaceans known as Malacostraca, which also contains crabs, lobsters and shrimp.