Genus Tonicella P. P. Carpenter, 1873

(7-0-5-3-0-6-0-14-0-0-0-0-0)
Ref. Abbott, 1974 p 398
Abbott & Dance, 1982 p 285

caerulea Winkley, 1894

(7-0-5-3-0-6-0-14-0-1-0-0-0)
[=Tonicella marmorea (O. Fabricius, 1780)]
Ref. Abbott, 1974 p 398

insignis (L. A. Reeve, 1847)

(7-0-5-3-0-6-0-14-0-2-0-0-0)
Hidden Chiton
Size 1.2" long
Syn. Tonicella submarmoreus A. T. v Middendorff, 1846
Ref. Abb
ott & Dance, 1982 p 285 c

laevigatus J. Fleming, 1828

(7-0-5-3-0-6-0-14-0-3-0-0-0)
[=Tonicella marmorea (O. Fabricius, 1780)]
Ref. Abbott, 1974 p 398

lineata (W. Wood, 1815)

(7-0-5-3-0-6-0-14-0-4-0-0-0)
Lined Red Chiton
Size 1"-2" long
Ref. Abbott, 1974 p 398 bw
Abbott & Dance, 1982 p 285 c

marmorea (O. Fabricius, 1780) [T]

(7-0-5-3-0-6-0-14-0-5-0-0-0)
Mottled Red Chiton
Size 1" long
Ref. Abbott & Dance, 1982 p 285 c
Syn. Tonicella caerulea Winkley, 1894;
Tonicella laevigatus J. Fleming, 1828
Ref. Abbott, 1974 p 398 bw

rubra (C. v. Linne, 1767)

(7-0-5-3-0-6-0-14-0-6-0-0-0)
Northern Red Chiton, Red Northern Chiton
Size 0.5"-1" long
Ref. Abbott & Dance, 1982 p 285 c
Syn. Tonicella submarmorea (A. T. v Middendorff, 1846)
Ref. Abbott, 1974 p 398

Form index F. N. Balch, 1906

(7-0-5-3-0-6-0-14-0-6-0-1-0)
Ref. Abbott, 1974 p 398

submarmorea (A. T. v Middendorff, 1846)

(7-0-5-3-0-6-0-14-0-7-0-0-0)
[=Tonicella rubra (C. v. Linne, 1767)]
Ref. Abbott, 1974 p 398
[=Tonicella insignis (L. A. Reeve, 1847)]
Ref. Abbott & Dance, 1982 p 285