order Monotremata

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Noun1.order Monotremata - coextensive with the subclass Prototheria
animal order - the order of animals
Prototheria, subclass Prototheria - echidnas; platypus
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References in periodicals archive ?
The only prototherian mammals that exist today are members of the Order Monotremata. This order consists of two families of mammals that lay heavily yolked eggs with leathery shells.
Cada Orden se presenta con su autoria en este volumen (e.g., Order Monotremata by Colin P.