4 mars 2021
4
04
/03
/mars
/2021
15:42
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Pterotrigonia (Acanthotrigonia) crenulata (Lamarck, 1819).
Mollusques bivalves.
Famille des Trigonidae. Lamarck 1819.
Crétacé supérieur.
Cénomanien
Provenance : Iboka. Environ de Madagascar.
Taille du bloc : 9 x 7 cm . Bivalve : 4,5 cm x 3, 5 cm
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