Subgenus (Lithopoma) J. E. Gray, 1850

(5-4-1-3-2-12-2-2-8-0-0-0-0)
Ref. Lindner, 1977 p 39
Syn. (Pachypoma) J. E. Gray, 1850
Ref. Abbott, 1974 p 59
[see also as Genus]

? americanum (J. F. Gmelin)
(5-4-1-3-2-12-2-2-8-1-0-0-0)
Ref. Kaicher, 1988 #5347 bw

caelata (J. F. Gmelin, 1791)
(5-4-1-3-2-12-2-2-8-2-0-0-0)
Carved Star-shell
Ref. Abbott, 1974 p 59 bw c
Abbott & Dance, 1982 p 50 c
Kaicher, 1988 #5272 bw

? cubanum (R. A. Philippi)
(5-4-1-3-2-12-2-2-8-3-0-0-0)
Ref. Kaicher, 1988 #5342 bw

tecta (J. Lightfoot, 1786)
(5-4-1-3-2-12-2-2-8-4-0-0-0)
Imbricate Star-shell
Ref. Abbott, 1974 p 59
Syn. Astraea (Astraea) imbricata J. F. Gmelin
Ref. Abbott & Dance, 1982 p 50 c

americana (J. F. Gmelin, 1791)
(5-4-1-3-2-12-2-2-8-4-1-0-0)
American Star-shell
Ref. Abbott, 1974 p 59 bw c
Abbott & Dance, 1982 p 50 c

cubana R. A. Philippi, 1849
(5-4-1-3-2-12-2-2-8-4-2-0-0)
Ref. Abbott, 1974 p 59

tecta (J. Lightfoot, 1786)
(5-4-1-3-2-12-2-2-8-4-3-0-0)
Syn. Astraea (Astraea) corolla L. A. Reeve, 1861;
Astraea (Astraea) imbricata J. F. Gmelin, 1791
Ref. Abbott, 1974 p 59

tuber C. v. Linne, 1767 [T]
(5-4-1-3-2-12-2-2-8-5-0-0-0)
Green Star-shell
Ref. Abbott, 1974 p 59 bw c
Abbott & Dance, 1982 p 50 c
Kaicher, 1988 #5352 bw