Subgenus (Byssoarca) W. Swainson, Mar. 1833

(3-7-3-0-1-1-2-3-6-0-0-0-0)
[see also as Genus]

pholadiformis C. B. Adams, 1852, not A. Orbigny, 1844
(3-7-3-0-1-1-2-3-6-1-0-0-0)
[=Barbatia (Acar) rostae S. S. Berry, 1954]
Ref. Bernard, 1983 p 15

tabogensis C. B. Adams, 1850
(3-7-3-0-1-1-2-3-6-2-0-0-0)
[=Fugleria illota (G. B. Sowerby, 1833)]
Ref. Bernard, 1983 p 15