ネオトリゴニアMeanings1nounNeotrigonia (genus of triangular clams)Scientific name for a genus of marine bivalves; used in biological contexts.from Latinネオトリゴニアはオーストラリア近きん海かいに生せい息そくする二に枚まい貝がいの一いっ種しゅです。Neotrigonia is a type of bivalve that lives in the waters near Australia.