さんようちゅう
三葉虫
1. trilobite
2. TrilobiteTrilobites are a well-known fossil group of extinct marine arthropods that form the class Trilobita. Trilobites form one of the earliest known groups of arthropods.
Read “Trilobite” on English Wikipedia
Read “三葉虫” on Japanese Wikipedia
Read “Trilobite” on DBpedia
Read “Trilobite” on English Wikipedia
Read “三葉虫” on Japanese Wikipedia
Read “Trilobite” on DBpedia
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