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 Terebellum hubrechti Poppe & Tagaro, 2016 Figure 9B 2016 Terebellum hubrechti Poppe & Tagaro , p. 92, pl. 8, figs. 1–4. Maxwell et al. 2018b , p. 64 , figs. 3, 4. Type material. Holotype —Conchology Inc., Cebu , Philippines . The type measures 33.2 mm in length and has a width of 10 mm ( Poppe & Tagaro 2016 ). Type locality. Caubian , Philippines [Recent] . Diagnosis. Shell is smooth and ovately rotund. The aperture is moderately straight, wide and quadrate basally. The labrum is thickened, and the suture is distinct. Distribution. HOLOCENE— Philippines , Caubian ( Poppe & Tagaro 2016 ). Remarks. Terebellum hubrechti is a rare localised and morphologically stable species in colour and shape.