Subgenus (Stenoplax) P. P. Carpenter in W. H. Dall, 1879

(7-0-5-3-0-6-0-13-2-0-0-0-0)

aethonus W. H. Dall, 1919

(7-0-5-3-0-6-0-13-2-1-0-0-0)
[=Stenoplax (Stenoradsia) rugulata (G. B. Sowerby, 1832)]
Ref. Abbott, 1974 p 397

alata (G. B. Sowerby, 1840)

(7-0-5-3-0-6-0-13-2-2-0-0-0)
Elevated Chiton
Size 3" long
Ref. Abbott & Dance, 1982 p 285 c

bermudensis W. H. Dall & P. Bartsch, 1911

(7-0-5-3-0-6-0-13-2-3-0-0-0)
[=Stenoplax (Stenoradsia) rugulata (G. B. Sowerby, 1832)]
Ref. Abbott, 1974 p 397

boogii A. C. Haddon, 1886

(7-0-5-3-0-6-0-13-2-4-0-0-0)
[=Stenoplax (Stenoradsia) rugulata (G. B. Sowerby, 1832)]
Ref. Abbott, 1974 p 397

conspicua (H. A. Pilsbry, 1892)

(7-0-5-3-0-6-0-13-2-5-0-0-0)

conspicua (H. A. Pilsbry, 1892)

(7-0-5-3-0-6-0-13-2-5-1-0-0)
Ref. Keen, 1971 p 871

sonorana S. S. Berry, 1956

(7-0-5-3-0-6-0-13-2-5-2-0-0)
Ref. Keen, 1971 p 871 bw

corrugata (P. P. Carpenter in H. A. Pilsbry, 1892)

(7-0-5-3-0-6-0-13-2-6-0-0-0)
Corrugated Chiton
Size 0.4"-0.6" long
Syn. Ischnochiton (Ischnochiton) biarcuatus W. H. Dall, 1903
Ref. Abbott, 1974 p 396

erythronota (C. B. Adams, 1845)

(7-0-5-3-0-6-0-13-2-7-0-0-0)
Ashy Slender Chiton
Size 0.5"-0.75" long
Ref. Abbott, 1974 p 396

fallax (P. P. Carpener in H. A. Pilsbry, 1892)

(7-0-5-3-0-6-0-13-2-8-0-0-0)
Fallax Chiton
Size 2"-2.5" long
Ref. Abbott, 1974 p 396

floridana (H. A. Pilsbry, 1892)

(7-0-5-3-0-6-0-13-2-9-0-0-0)
Florida Slender Chiton
Size 1"-1.5" long
Ref. Abbott, 1974 p 396 bw
Abbott & Dance, 1982 p 284 c

histrio S. S. Berry, 1945

(7-0-5-3-0-6-0-13-2-10-0-0-0)
[=Stenoplax (Stenoradsia) petaloides (A. A. Gould, 1846)]
Ref. Abbott, 1974 p 397
[=Radsiella petaloides (A. A. Gould, 1846)]
Ref. Keen, 1971 p 869

isoglypta S. S. Berry, 1956

(7-0-5-3-0-6-0-13-2-11-0-0-0)
[=Stenoplax (Stenoradsia) rugulata (G. B. Sowerby, 1832)]
Ref. Abbott, 1974 p 397
[=Radsiella rugulalta (G. B. Sowerby, 1832)]
Ref. Keen, 1971 p 869

limaciformis (G. B. Sowerby, 1832) [T]

(7-0-5-3-0-6-0-13-2-12-0-0-0)
Slug-shaped Chiton
Size 0.75"-1" long
Syn. Stenoplax (Stenoplax) productus L. A. Reeve, 1847;
Stenoplax (Stenoplax) sanguineus L. A. Reeve, 1847
Ref. Abbott, 1974 p 396 bw
Syn. Chiton (Chiton) productus L. A. Reeve, 1847; Chiton (Chiton) sanguineus L. A. Reeve, 1847
Ref. Keen, 1971 p 871 bw

magdalenensis (R. B. Hinds, 1845)

(7-0-5-3-0-6-0-13-2-13-0-0-0)
Magdalena Chiton
Size 3" long
Ref. Abbott & Dance, 1982 p 285 c
Syn. Ischnochiton (Ischnochiton) acrior H. A. Pilsbry, 1892
Ref. Keen, 1971 p 871 bw

mariposa W. H. Dall, 1919

(7-0-5-3-0-6-0-13-2-14-0-0-0)
[=Stenoplax (Stenoradsia) petaloides (A. A. Gould, 1846)]
Ref. Abbott, 1974 p 397

pallidulus L. A. Reeve, 1847

(7-0-5-3-0-6-0-13-2-15-0-0-0)
[=Stenoplax (Stenoradsia) rugulata (G. B. Sowerby, 1832)]
Ref. Abbott, 1974 p 397

productus L. A. Reeve, 1847

(7-0-5-3-0-6-0-13-2-16-0-0-0)
[=Stenoplax (Stenoplax) limaciformis (G. B. Sowerby, 1832)]
Ref. Abbott, 1974 p 396

purpurascens (C. B. Adams, 1845)

(7-0-5-3-0-6-0-13-2-17-0-0-0)
Ref. Abbott, 1974 p 396

roseus G. B. Sowerby, 1832 [not H. M. D. de Blainville, 1825]

(7-0-5-3-0-6-0-13-2-18-0-0-0)
[=Stenoplax (Stenoradsia) rugulata (G. B. Sowerby, 1832)]
Ref. Abbott, 1974 p 397

sanguineus L. A. Reeve, 1847

(7-0-5-3-0-6-0-13-2-19-0-0-0)
[=Stenoplax (Stenoplax) limaciformis (G. B. Sowery, 1832)]
Ref. Abbott, 1974 p 396