c2419b0e63b5f1ef3a2190ab4a492996

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Sphaerophthalmella Kobayashi, 1955

Source

Rank

genus

Names

1

J. Fac. Sci. Tokyo Univ. (11) Geol. , 9, 463 (as Sphaerophthalmoides and Spaerophthalmella on pl. ).