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Meekospira peracuta

Gastropoda - Meekospiridae

Eulima peracuta was named by Meek and Worthen (1860) [?Eulima peracuta Meek & Worthen 1860]. It is not a trace fossil.

It was recombined as Polyphemopsis peracuta by Meek and Worthen (1866); it was recombined as Meekospira peracuta by Ulrich and Scofield (1897), Knight (1932), Sturgeon (1937), Hoare (1961), Sturgeon (1964), Batten (1966), Yochelson and Saunders (1967), Kues (1984), Batten (1995), Kues and Batten (2001) and Wagner (2017).

Sister species lacking formal opinion data

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Synonymy list
YearName and author
1860Eulima peracuta Meek and Worthen p. 466
1866Polyphemopsis peracuta Meek and Worthen p. 375 figs. pl. 31 f. 7a-b
1897Meekospira peracuta Ulrich and Scofield p. 1079
1932Meekospira peracuta Knight pp. 195 - 197 figs. pl. 27 f. 2a-l
1937Meekospira peracuta Sturgeon p. 357
1961Meekospira peracuta Hoare pp. 187 - 188 figs. pl. 23 f. 1-2
1964Meekospira peracuta Sturgeon p. 222 figs. pl. 35 f. 1-2; pl. 36 f. 2
1966Meekospira peracuta Batten p. 93 figs. pl. 10 f. 7
1967Meekospira peracuta Yochelson and Saunders p. 126
1984Meekospira peracuta Kues figs. f. 3.48
1995Meekospira peracuta Batten p. 33 fig. 45
2001Meekospira peracuta Kues and Batten pp. 87 - 88 figs. f. 17.10-17.12
2017Meekospira peracuta Wagner p. 5098

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EubilateriaAx 1987
classGastropodaCuvier 1797
subclassProsobranchiaMilne-Edwards 1848
superorderCaenogastropodaCox 1959

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

R. L. Batten 1995Subconical, subfusiform shells. Whorl profile flat to gently convex giving overall shell slightly convex, conical shape. Sutures are sharply defined, but shallow. Periphery is very low on whorl and at lower whorl margin. Whorls embrace at or just below periphery. Base is flatly rounded. Anomphalus. Columellar lip is arcuate and reflexed such that it is thickened into a narrow, convex callus. No ornament other than very fine growth lines.