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Stramentum pulchellum
Description Stramentum pulchellum (G. B. Sowerby Jr, 1843), lower Turonian Chalk of Cuxton, near Rochester, Kent, UK. A, B, large individuals attached to ammonite Lewesiceras sp.; syntypes of Loricula darwini Woodward, 1908 (p. 493, fig. 1; also figured by Withers 1935, pl. 41, figs 2, 3), NHMUK In. 9130. C, holotype (original of Loricula pulchella G. B. Sowerby Jr, 1843, figs 1, 2; also figured by Darwin 1851a, pl. 5, fig. 1; Withers 1920, pl. 3, fig. 3; Withers 1935, pl. 41, fig. 4), NHMUK In. 59150; this specimen retains its original convexity. D, Stramentum praecursor sp. nov., holotype, SM B.8935; attached to ammonite Acanthoceras rhotomagense; although there are no locality details, both the preservation and identity of the ammonite indicate provenance from the Turrilites costatus Subzone of southern England, probably Kent. Scale bars D 5 mm.
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