Resolving phylogenetic and classical nomenclature: A revision of Seraphsidae Jung, 1974 (Gastropoda: Neostromboidae) Author Maxwell, Stephen J. 0000-0002-4328-6171 College of Science and Engineering, James Cook University, P. O. Box 6811, Cairns, Queensland 4870, Australia. & Stephen. maxwell @ my. jcu. edu. au; https: // orcid. org / 0000 - 0002 - 4328 - 6171 tephen.maxwell@my.jcu.edu.au Author Rymer, Tasmin L. 0000-0002-9963-6345 College of Science and Engineering, James Cook University, P. O. Box 6811, Cairns, Queensland 4870, Australia. & Centre for Tropical Environmental and Sustainability Sciences, James Cook University, P. O. Box 6811, Cairns, Queensland 4870, Australia. & Tamsin. rymer @ jcu. edu. au; https: // orcid. org / 0000 - 0002 - 9963 - 6345 amsin.rymer@jcu.edu.au Author Congdon, Bradley C. 0000-0002-8751-0892 College of Science and Engineering, James Cook University, P. O. Box 6811, Cairns, Queensland 4870, Australia. & Centre for Tropical Environmental and Sustainability Sciences, James Cook University, P. O. Box 6811, Cairns, Queensland 4870, Australia. & brad. congdon @ jcu. edu. au; https: // orcid. org / 0000 - 0002 - 8751 - 0892 brad.congdon@jcu.edu.au text Zootaxa 2021 2021-06-22 4990 3 401 453 journal article 5563 10.11646/zootaxa.4990.3.1 6a6dd89d-6b74-47ed-ba8e-71b526355b69 1175-5326 5026777 70610FEE-4497-4804-817C-CEC2D66DDBFE Paraseraphs tetanus Jung, 1974 Figure 7I 1880 Terebellum postconicua de Gregorio , p. 21, pl. 1, fig. 18. = Terebellum fusiforme postconicua de Gregorio — Sacco 1893 , p. 21 . = Terebellum postconica de Gregorio — Cossmann 1889 , p. 92 . = Terebellum postconicum de Gregorio — Jung 1974 , p. 45 . Pacaud 2008 , p. 727 . Quaggioto & Mellini 2008, p. 48, pl. 1, fig. 18. 1974 Paraseraphs tetanus Jung , p. 34, pl. 9, fig. 26, pl. 10, figs. 1–10, tfs. 12, 26–28. Bandel 2007 , p. 137 . Pacaud 2008 , p. 722 . Caze et al. 2010 , p. 438 , figs. 24A–F, 25, 26. Terebellum fusiforme Deshayes — Jung 1974 , p. 34 . Caze et al. 2010 , p. 454 . = Terebellum fusiforme Lamarck — Sowerby 1820 –1825, pl. 231, fig. 3. Gould 1833 , p. 96 . Anton 1839 , p. 102 . Reeve 1842 , p. 268 , pl. 191, fig. 3. Pictet 1853 –1857, p. 42, pl. 64, fig. 2. Chenu 1859 , p. 264 , fig. 1660. Zittel 1885 , p. 259 . de Gregorio 1896 , p. 36 , pl. 3, fig. 5. Oppenheim 1900 , p. 211 . Dainelli 1905 , p. 72 . Jung 1974 , p. 34 . Pacaud 2008 , p. 727 . Baciu & Hartenberger 2001 , p. 442 . = Terebellum ( Terebellum ) fusiforme Lamarck — Jung 1974 , p. 34 Paraseraphs placitus Merle — Caze et al. 2010 , p. 438 . Type material. Holotype — NMB H15409. The type measures 28.7 mm in length with a maximum width of 7.1 mm ( Jung 1974 ). Type locality. Cuise-Lamotte , Oise , France [Ypresian] . Diagnosis. The shell is smooth and slender, with a protoconch of 11 / 2 to 13 / 4 whorls. The teleoconch has 21 / 2 to 3 whorls. The labial callus is well-developed and the labrum is not thickened. The posterior canal is antispirally bent and does not extend to the apex. The columella is basally bent backward. The labrum does not reach the base of the columella. Distribution. EOCENE— Italy Ronca ( de Gregorio 1896 ). Ypresian— France Monampteuil, Aisne ( Caze et al. 2010 ); Aizy-Jouy, Aisne ( Caze et al. 2010 ); Saint-Gobain Aisne ( Caze et al. 2010 ); Sapicourt, Marne ( Caze et al. 2010 ); Cuise-Lamotte, Oise ( Jung 1974 ; Caze et al. 2010 ); Gan, Pyrenees-Atlantiques ( Caze et al. 2010 ). Italy Roncá ( Jung 1974 ). Remarks. A replacement name T. fusiforme Deshayes and T. fusiforme Lamarck of some authors. Despite “ fusiforme ” being widely used, the type is an internal cast of S. sopitus ( Jung 1974 ) and is included in the synonymy S. sopitus herein.