Subgenus (Callochiton) J. E. Gray, 1847

(7-0-5-3-0-5-2-1-2-0-0-0-0)
Ref. Kaas & Van Belle, 1980

achatinus (T. Brown, 1827)

(7-0-5-3-0-5-2-1-2-1-0-0-0)
Smooth European Chiton
Size 1" long
Syn. Callochiton (Callochiton) laevis G. Montagu [not Osbeck]
Ref. Abbott & Dance, 1982 p 286 c

laevis G. Montagu [not Osbeck] [T]

(7-0-5-3-0-5-2-1-2-2-0-0-0)
Ref. Kaas & Van Belle, 1980
[=Callochiton (Callochiton) achatinus (T. Brown, 1827)]
Ref. Abbott & Dance, 1982 p 286

septemvalvis (G. Montagu, 1803)

(7-0-5-3-0-5-2-1-2-3-0-0-0)
Syn. Chiton (Chiton) achatinus T. Brown, 1823;
Chiton (Chiton) craanchianus W. E. Leach, 1852;
Chiton (Chiton) discors W. G. Maton & T. Rackett, 1807;
Chiton (Chiton) laevis G. Montagu, 1803;
Chiton (Chiton) laevis Var. navicula J. G. Jeffreys, 1865;
Chiton (Chiton) septemvalvis G. Montagu, 1803;
Lepidopleurus (Lepidopleurus) punctulatus W. E. Leach, 1852
Ref. Kaas & Van Belle, 1980 p 118