Seraphs striatus ( von Koenen, 1889 )

Maxwell, Stephen J., Rymer, Tasmin L. & Congdon, Bradley C., 2021, Resolving phylogenetic and classical nomenclature: A revision of Seraphsidae Jung, 1974 (Gastropoda: Neostromboidae), Zootaxa 4990 (3), pp. 401-453 : 418

Seraphs striatus ( von Koenen, 1889)

Figure 5H

1889 Terebellum striatum von Koenen , p. 39, pl. 1, figs. 7a–d. Sacco 1893, p. 21. Jung 1974, p. 28. = Seraphs (Seraphs) striatus von Koenen — Jung 1974, p. 28, pl. 9, figs. 1–4.

Type material. Holotype — von Koenen 1889, pl. 1, figs. 7a–d. The holotype measures 38.5 mm in length with a width of 10.7 mm ( von Koenen 1889).

Type locality. Lattorf , Germany [Rupelian] .

Diagnosis. The shell is slender. The surface of the shell is smooth with fine spiral lines anteriorly on the body whorl. The labial callus is well-developed and extends to the shell apex. The labrum is moderately thickened and extends to the apex and is straight posteriorly. The columella is recurved outward at the base.

Distribution. OLIGOCENE—Rupelian— Germany Lattorf ( Jung 1974).

Remarks. Similar in form to S. narcius and S. subconvolutus but differs in having a posterior labrum that is straight and not opisthocline ( Jung 1974).

Figures

FIGURE 5. Seraphs Montfort, 1810. A. Seraphs minus (Vincent, 1913), length 7.1 mm (Jung 1974, pl. 6, figs. 9, 10). B. Seraphs naricus (Vredenberg, 1925), holotype, GSI 12614, length 38.6 mm (Jung 1974, pl. 6, figs. 20–22). C. Seraphs olivaceus (Cossmann, 1889), MNHN A28577, Collection de Paleontologie, Paris, length 32 mm (Caze et al. 2010, figs. 6H, I). D. Seraphs peterjungi Caze et al., 2010, holotype, MNHN A28578, Collection de Paleontologie, length 16 mm (Caze et al. 2010, figs. 15J, K, N). E. Seraphs placiferus (Bayan, 1870), lectotype, MNHN G2100, length 33.7 mm (Jung 1974, pl. 7, figs. 5–7). F. Seraphs sopita (Brander, 1766), lectotype, NHMUK GG21010, length 26.4 mm (Jung 1974, pl. 1, figs. 1–3). G. Seraphs squamosus (Martin, 1914), Lectotype, RGM, Leiden St10344, length 37.1 mm (Jung 1974, pl. 6, figs. 17–19). H. Seraphs striatus (von Koenen, 1889), holotype, length 38.5 mm (von Koenen 1889, pl. I, figs. 7A–C). I. Seraphs subconvolutus (d’Orbigny, 1852), lectotype, MNHN UBT65-2-120, length 28 mm (Caze et al. 2010, figs. 14A, B). J. Seraphs volutatus (Brander, 1766), MNHN A28776, Collection de Paleontologie, Paris, length 17 mm (Caze et al. 2010, figs. 6A–C).