Aplacentata definitions

Aplacentata

• (n. pl.) Mammals which have no placenta.
Found on http://thinkexist.com/dictionary/meaning/aplacentata/

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Aplacentata

Ap`la·cen·ta'ta noun plural [ Prefix a- not + placenta .] (Zoology) Mammals which have no placenta.
Found on http://www.encyclo.co.uk/webster/A/102

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