Definition of Rigonia. Meaning of Rigonia. Synonyms of Rigonia

Here you will find one or more explanations in English for the word Rigonia. Also in the bottom left of the page several parts of wikipedia pages related to the word Rigonia and, of course, Rigonia synonyms and on the right images related to the word Rigonia.

Definition of Rigonia

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Perigonia
Perigonium Per`i*go"ni*um, n.; pl. Perigonia. [NL.] Same as Perigone.
Trigonia
Trigonia Tri*go"ni*a, n. [NL. See Trigon. So called in allusion to the triangular shape of some species.] (Zo["o]l.) 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.

Meaning of Rigonia from wikipedia

-  Greenland A sponge. Rigonia Gen. et sp. nov Valid Frisone, Pisera & Preto Eocene (early Lutetian)  Italy A sponge. The type species is Rigonia plicata. Rotundocyathus...