げんじゅうあこう
原獣亜綱
1. Prototheria
2. PrototheriaPrototheria is a taxonomic group, or taxon, to which the order Monotremata belongs. It is conventionally ranked as a subclass within the mammals. Most of the animals in this group are extinct. The egg-laying monotremes are known from fossils of the Cretaceous and Cenozoic periods; they are represented today by the platypus and several species of echidna.
Read “Prototheria” on English Wikipedia
Read “原獣亜綱” on Japanese Wikipedia
Read “Prototheria” on DBpedia
Read “Prototheria” on English Wikipedia
Read “原獣亜綱” on Japanese Wikipedia
Read “Prototheria” on DBpedia
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