Definify.com

Webster 1913 Edition

Prototheria

‖

Proˊto-the′ri-a

,

Noun.

pl.

[NL., from Gr.

πρῶτοσ

first +

θηρίον

, dim. of

θήρ

beast.]

(Zool.)

Same as

.

Definition 2024

Prototheria

Prototheria

Translingual

Proper noun

Prototheria

A taxonomic subclass within the class Mammalia – the egg-laying mammals.

See also

Monotremata