prototheria

• Subclasse taxonômica de mamíferos que inclui as espécies ovíparas, como as equidnas e o ornitorrinco.

A taxonomic subclass of mammals that includes egg-laying species such as echidnas and the platypus.

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1. C2formalscientific

   A subclass of mammals that lay eggs instead of giving birth to live young, including the platypus and echidnas.

   Subclasse de mamíferos

   • Prototheria is one of the three subclasses of mammals.
   • The platypus is a well-known member of the Prototheria subclass.
   • Echidnas are also classified under Prototheria.