[mainly] After Parker, 1982
Phylogeny of selected "basal" molluscs(?) after Wagner, 1995 and Wagner, in Kazlev, 2002b
Alternative phylogeny of molluscan classes after Waller, 1998 (from Kazlev, 2002a)
<==o Mollusca Cuvier 1795 (molluscs; nilviäiset) |==o Monoplacophora Odhner 1940 (Monoplacophorans; alkunilviäiset) [paraphyletic] | |?- Tryblidiida Lemche 1957 [Monoplacophorida Wenz & Knight, 1952] | |?- †Pelagiellida | |?=o †Tergomya Horný, 1955 sensu Peel, 1991a | | |?- †Cyrtonellida Horný, 1963 | | `?-o †Hypseloconida | | `--o Hypseloconidae | | |?- †Archaeconus | | |?- †Cambrioconus | | |?- †Knightoconus | | `?- †Hypseloconus | `?=o †Heliconelloida [incl. Kirengellida Rosov, 1975] | |?- †Scenellidae | |-- †Yochelcionellidae | |-- †Stenothecidae | `--o †Helcionellidae | |-- †Chuiliella Gubanov & Peel, 2001 | `--o †Nyuella | `-- †N. bjalyi Rosov, 1975 `--+?- Aplacophora (piilojalkaiset) [c. 150 species] |-- Polyplacophora (nivelkotilot, kitonit) `--+-- Gastropoda Cuvier, 1797 (gastropods, snails, slugs, etc.; kotilot) |?- †Cricoconarida |-- Cephalopoda Cuvier, 1797 (cephalopods, squids, octopuses, ammonites, etc.; mustekalat, pääjalkaiset) `--+?- †Stenothecida |?- †Rostroconchia |-- Scaphopoda (hammaskotilot) `-- Bivalvia [Pelycopoda, Lamellibranchia] (shellfish; simpukat)
Reference(s):
- 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.org/rostroconchia - 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