Word Study
prototheria
WORDNET DICTIONARY
Noun prototheria has 1 sense
- prototheria(n = noun.animal) subclass prototheria - echidnas; platypus; Array is a member of class mammalia, mammalia
is a kind of class
CIDE DICTIONARY
prototheria, n. pl. [NL., from Gr. prw^tos first + qhri`on, dim. of qh`r beast.].
Same as Monotremata. [1913 Webster]
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