Fig. 4

Praechebbites debaetsi n. gen. n. sp. a–c Partly corroded paratype B6C.51-2, lateral, ventral, and oblique views, showing sutures, regularly spaced rursiradiate, convex ribbing, and tight advolute coiling until ca. 60 mm dm, ×1. d–f Incomplete paratype B6C.51-3, septal, ventral, and lateral views, showing the typical, regular flank ribbing until ca. 45 mm dm and the lack of whorl overlap at an apical septal face, ×1.5. g–i Holotype B6C.51-1, lateral, ventral, and dorsal views, showing slight uncoiling and narrow whorl interspace at maturity (60–70 mm dm), reduced mature flank ribbing, ventrolateral edges, regular ventral ribbing, and the mature dorsal whorl flattening, ×1. j–l Paratype B6C.51-4, lateral, adoral, and ventral views, corroded specimen with advolute, non-overlapping whorls, and remains of regularly-spaced impressions on the flattened venter, ×1.5