Word Study
plesiosauria
WORDNET DICTIONARY
Noun plesiosauria has 1 sense
- plesiosauria(n = noun.animal) suborder plesiosauria - any of the plesiosaurs; Array is a kind of animal order
is a member of order sauropterygia, sauropterygia
CIDE DICTIONARY
plesiosauria, n. pl. [NL. See Plesiosaurus.].
An extinct order of Mesozoic marine reptiles including the genera Plesiosaurus, and allied forms; -- called also Sauropterygia . [1913 Webster]
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