Subgenus (Marevalvata) A. A. Olsson & Harbison, 1953

(5-4-1-3-2-3-1-1-3-0-0-0-0)
Ref. Abbott, 1974 p 54

bairdii (W. H. Dall, 1889)
(5-4-1-3-2-3-1-1-3-1-0-0-0)
Baird's Arene, Warty Cyclostreme
Ref. Abbott, 1974 p 55 bw
Amer. Fish. Soc., 1988 p 57

Form trullata (W. H. Dall, 1889)
(5-4-1-3-2-3-1-1-3-1-0-1-0)
Ref. Abbott, 1974 p 55

balboai (A. M. Strong & L. G. Hertlein, 1939)
(5-4-1-3-2-3-1-1-3-2-0-0-0)
Ref. Abbott, 1974 p 55

briareus (W. H. Dall, 1881)
(5-4-1-3-2-3-1-1-3-3-0-0-0)
Briar Arene, Briar Cyclostreme
Ref. Abbott, 1974 p 55 d
Amer. Fish. Soc., 1988 p 57

Var. aspina (W. H. Dall, 1889)
(5-4-1-3-2-3-1-1-3-3-0-0-1)
Ref. Abbott, 1974 p 55

Var. perforata (W. H. Dall, 1889)
(5-4-1-3-2-3-1-1-3-3-0-0-2)
Ref. Abbott, 1974 p 55

riisei "Dunker", H. A. Rehder, 1943
(5-4-1-3-2-3-1-1-3-4-0-0-0)
Ref. Abbott, 1974 p 56 bw

tricarinata (R. E. C. Stearns, 1872) [T]
(5-4-1-3-2-3-1-1-3-5-0-0-0)
Gem Arene, Gem Cyclostreme
Ref. Abbott, 1974 p 54 bw
Amer. Fish. Soc., 1988 p 57

variabilis (W. H. Dall, 1889)
(5-4-1-3-2-3-1-1-3-6-0-0-0)
Variable Arene, Variable Cyclostreme
Ref. Abbott, 1974 p 55 bw
Amer. Fish. Soc., 1988 p 57