Carolinapecten eboreus senescens (Dall, 1898)
DALL, W. H. 1898. Contributions to the Tertiary fauna of Florida. Silex Beds of Tampa and the Pliocene Beds of the Caloosahatchie River. Part IV. I. Prionodesmacea: Nucula to Julia. 2. Teleodesmacea: Teredo to Ervilia. Transactions of the Wagner Free Institute of Science of Philadelphia, 3 (4): viii, 571-947 p., pls. 23-35 (pls. 36 and 37 in part 5, 1900). [p. 751, pl. 29, fig. 5]
1898 Pecten (Plagioctenium) eboreus var. senescens Dall, 1898
W. H. Dall, 1898, plate 29.
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«Pliocene of the Waccamaw beds, South Carolina; Johnson.
Shell of moderate size, rather convex; ribs (twenty-three) obsolete externally, their line strong within; the concentric sculpture fine, chiefly visible in the interspaces. Alt. 60, latt. 62, diam. 15 mm. The posterior ear is a little more oblique in my specimen than in any of the typical eboreus I have noticed, but the characters in general are so close that I hesitate to regard the form as of specific rank.» WILLIAM HEALEY DALL, 1898
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