Subgenus (Euchelus) R. A. Philippi, 1847
(5-4-1-3-2-11-6-15-2-0-0-0-0)

? alveolatus (A. Adams)
(5-4-1-3-2-11-6-15-2-1-0-0-0)
Ref. Kaicher, 1990 #5706 bw

aspersus (R. A. Philippi, 1846)
(5-4-1-3-2-11-6-15-2-2-0-0-0)
Roughened Margarite
Syn. Euchelus (Euchelus) baccatus K. T. Menke
Ref. Abbott & Dance, 1982 p 34 c

atratus (J. F. Gmelin, 1791)
(5-4-1-3-2-11-6-15-2-3-0-0-0)
Blackish Margarite
Ref. Lindner, 1977 pl 6 c
Syn. Euchelus (Euchelus) canaliculatus J. B. P. A. de Lamarck
Ref. Abbott & Dance, 1982 p 34 c

baccatus K. T. Menke
(5-4-1-3-2-11-6-15-2-4-0-0-0)
[=Euchelus (Euchelus) aspersus (R. A. Philippi, 1846)]
Ref. Abbott & Dance, 1982 p 34

? bourcieri (H. Crosse)
(5-4-1-3-2-11-6-15-2-5-0-0-0)
Ref. Kaicher, 1990 #5707 bw

? brunneus (A. Adams & G. F. Angas)
(5-4-1-3-2-11-6-15-2-6-0-0-0)
Ref. Kaicher, 1990 #5708 bw

canaliculatus J. B. P. A. de Lamarck
(5-4-1-3-2-11-6-15-2-7-0-0-0)
[=Euchelus (Euchelus) atratus (J. F. Gmelin, 1791)]
Ref. Abbott & Dance, 1982 p 34

? cavernosus G. B. Sowerby
(5-4-1-3-2-11-6-15-2-8-0-0-0)
Ref. Kaicher, 1990 #5781 bw

? clathratus (A. Adams)
(5-4-1-3-2-11-6-15-2-9-0-0-0)
Ref. Kaicher, 1990 #5789 bw

? exasperatus (A. Adams)
(5-4-1-3-2-11-6-15-2-10-0-0-0)
Ref. Kaicher, 1990 #5713 bw

? fischeri (R. P. Montrouzier)
(5-4-1-3-2-11-6-15-2-\110-0-0-0)
Ref. Kaicher, 1990 #5704 bw

? foveolatus (A. Adams)
(5-4-1-3-2-11-6-15-2-12-0-0-0)
Ref. Kaicher, 1990 #5790 bw

guttarosea W. H. Dall, 1889
(5-4-1-3-2-11-6-15-2-13-0-0-0)
Red-spot Topsnail
Ref. Amer. Fish. Soc., 1988 p 55

? indicus A. Adams
(5-4-1-3-2-11-6-15-2-14-0-0-0)
Ref. Kaicher, 1990 #5714 bw

? instrictus (A. A. Gould)
(5-4-1-3-2-11-6-15-2-15-0-0-0)
Ref. Kaicher, 1990 #5705 bw

? providentiae J. C. Melvill
(5-4-1-3-2-11-6-15-2-16-0-0-0)
Ref. Kaicher, 1990 #5709 bw

? proximus A. Adams
(5-4-1-3-2-11-6-15-2-17-0-0-0)
Ref. Kaicher, 1990 #5715 bw

? punctigerus A. Adams
(5-4-1-3-2-11-6-15-2-18-0-0-0)
Ref. Kaicher, 1990 #5710 bw

quadricarinatus (J. S. Holten, 1802)
(5-4-1-3-2-11-6-15-2-19-0-0-0)
Four-keeled Margarite
Syn. Euchelus (Euchelus) tricarinatus J. B. P. A. de Lamarck
Ref. Abbott & Dance, 1982 p 34 c

? townsendianus (J. C. Melvill & R. Standen)
(5-4-1-3-2-11-6-15-2-20-0-0-0)
Ref. Kaicher, 1990 #5740 bw

tricarinatus J. B. P. A. de Lamarck
(5-4-1-3-2-11-6-15-2-21-0-0-0)
[=Euchelus (Euchelus) quadricarinatus (J. S. Holten, 1802)]
Ref. Abbott & Dance, 1982 p 34