Lioberus Dall, 1898

Type species. Modiola castanea Say, 1822, by monotypy.

Diagnosis. Beaks near anterior end, smooth or with obsolete radial sculpture, edentulous, periostracum smooth (Soot-Ryen 1969)

Lioberus castanea (Say, 1822)

Modiola castanea Say, 1822: 266 (fide Thiele 1934: 800); Lamy 1937: (49)

Lithophaga (Lioberus) castanea (Say) - Thiele 1934: (800); Kleemann 1983: (5) Modiolaria (Lioberus) castanea Say - Lamy 1937: 49 –50

Botula castanea (Say) – Perry 1940: 47, pl. 7, fig. 41; Clapp & Kenk 1963: (777), = Modiolaria Lioberus castaneus Say - Poirier 1954: (150, formerly known as Botula castanea Say); Warmke & Abbott 1961: 163, pl. 31h; Humfrey 1975: 216

Geographic distribution: SW coast of Florida, West Indies

Remarks. Poirier (1954) gives no reference, but probably refers to Perry (1940).