[mainly] After Parker, 1982
<==o Aplacophora von Ihering, 1876 (piilojalkaiset) [c. 150 species] |?-o †Heloplacidae Cherns, 2004 | |-- †Aceanoplax Sutton, Briggs, Siveter & Siveter, 2001; Sil. WEu. | `--+--+-- †Heloplax Cherns, 1998b; Sil. | | `-- †Enetoplax Cherns, 1998b; Sil. | `--+?- †Preacanthochiton | `-- †Arctoplax Cherns, 1998b; Sil. |?- Solenogastres Gegenbaur, 1878 [Neomeniomorpha; Adenopoda (cf. Salvini-Plawen, 1978)] (matonilviäiset) `?- Caudofoveata [Crystallophrissonidea; Chaetodermatidea]
Reference(s):
- Cherns, L., 2004: Early Palaeozoic diversification of chitons (Polyplacophora, Mollusca) based on new data from the Silurian of Gotland, Sweden.
–Lethaia: Vol. 37, pp. 445-456 - Evans, D. H. & Cope, J. C. W., 2003: Systematic position of Pollicina corniculum (Eichwald, 1860) (Mollusca, Tergomya) from the Middle Ordovician of the United Kingdom.
–Palaeontology: Vol. 46, #1, pp. 139-149 - Kazlev, M. A., 2002a: Phylum Mollusca.
–iNet: The Palaeos: http://www.palaeos.org/mollusca -
Kazlev, M. A., 2002b: Class Rostroconchia.
–iNet: "The Palaeos": http://www.palaeos.com/invertebrates/molluscs/rostroconchia/index.html - Parker, S. P. (ed.), 1982: Synopsis and classification of living organisms. Vols. 1 & 2
–McGrew-Hill Book Company - Wagner, P. J., 2002 [1995]: Phylogenetic relationships of the earliest
anisostrophically coiled gastropods.
–Smithsonian Contributions to Paleobiology: Vol. 88, pp. vi-152