Definition of trigonia
English to English noun - A genus of pearly bivalve shells, numerous extinct species of which are characteristic of the Mesozoic rocks. A few living species exist on the coast of Australia.
source: Webster 1913
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Nearby Word
trigonia, trigynia, trigon, trigynian, trigone, tetragonia, trisagion, trygon, trigyn, trogon, torsion, trusion, trigamy, tetragynia, trichion, trichina, tyrosinemia, tarragon, tetragynian, tetragon
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