Bursa barcellosi Matthews, Rios & Coelho, 1973 accepted as Ranella olearium (Linnaeus, 1758) (source of synonymy)
Bursa ranelloides (Reeve, 1844) accepted as Tritonoranella ranelloides (Reeve, 1844) (additional source)
Charonia Gistel, 1847 (additional source)
Distorsio perdistorta Fulton, 1938 (additional source)
Fusitriton laudandus H. J. Finlay, 1926 (additional source)
Fusitriton magellanicus (Röding, 1798) (additional source)
Fusitriton oregonensis (Redfield, 1846) (additional source)
Gyrina maculata Schumacher, 1817 accepted as Ranella olearium (Linnaeus, 1758) (source of synonymy)
Gyrina maculata Schumacher, 1817 accepted as Ranella olearium (Linnaeus, 1758) (subsequent type designation)
Halgyrineum louisae (H. Lewis, 1974) (additional source)
Mayena multinodosa Bucknill, 1927 accepted as Ranella olearium (Linnaeus, 1758) (source of synonymy)
Monoplex G. Perry, 1810 (basis of record)
Murex olearium Linnaeus, 1758 accepted as Ranella olearium (Linnaeus, 1758) (subsequent type designation)
Murex reticularis Linnaeus, 1758 sensu Born, 1780 accepted as Ranella olearium (Linnaeus, 1758) (source of synonymy)
Ranella bronni Michelotti, 1847 accepted as Ranella olearium (Linnaeus, 1758) (source of synonymy)
Ranella incerta Michelotti, 1847 accepted as Ranella olearium (Linnaeus, 1758) (source of synonymy)
Ranella olearium (Linnaeus, 1758) (additional source)
Ranella ostenfeldi Iredale, 1937 accepted as Ranella olearium (Linnaeus, 1758) (source of synonymy)
Ranularia Schumacher, 1817 (basis of record)
Sassia kampyla (R. B. Watson, 1883) accepted as Cymatona kampyla (R. B. Watson, 1883) (additional source)
Sassia lewisi Harasewych & Petuch, 1980 accepted as Personella lewisi (Harasewych & Petuch, 1980) (additional source)
Sconsia grayi A. Adams, 1855 (additional source)
Semicassis granulata (Born, 1778) (additional source)

 Taxonomy

 for Turritriton kobelti (Maltzan, 1884)

From the different distribution (Western Africa) it is clear that it is a valid species, different from Turritriton ... [details]