The description is extremely short; nomen dubium status is likely. [details]
Nevill (1885: 87) misspelled bertholleti as "bertheloti". [details]
Nevill described this as a "subvar.", i.e. a minor (sic) variety, not a variety of a variety. [details]
Nevill introduced this name as a "subvar." which is a minor variety,not a variety of a variety. [details]
Nevill introduced the name as "subvar. diplostoma". Here, "subvar." denotes a minor variety, not a variety of a variety. [details]
In 1885, Nevill mentioned Turbo bryereus Montagu, 1803 as type species, without explanation. This is simply an error. [details]