Pecten pulchellimus Tokunaga, 1906
TOKUNAGA, S. 1906. Fossils from the environs of Tokyo. Journal of the College of Science, Imperial University of Tokyo, 21 (2): 1-96, pls. 1-6. [p. 67, pl. 4, fig. 4]
«162. PECTEN PULCHELLIMUS TOK.
PI. IV. Fig. 4. Shell small, round, radially ribbed; ribs sixteen in number, without any distinct limit toward the interstices; surface without concentric ribs, but with a few undulating lines of growth; ears unequal, the anterior one more prominent, radially striated, with a distinct notch below, the posterior one serrated. Length 9 mm; height 10 mm.
Ōji (rare).» SHIGEYASU TOKUNAGA, 1906
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S. Tokunaga, 1906, plate 4.
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