"Archaeogastropoda"

	Mikko's Phylogeny Archive	Main Groups of Protostomes
	"Archaeogastropoda"

after Wagner, 1995

<==o ARCHAEOGASTROPODA Thiele, 1925 [= Aspidobranchia, Cyclobranchia, Diotocordia, Scutibranchia] (kaksieteiskotilot) [paraphyletic grade of basal gastropods]
   |?- Gasconadia Ulrich, in Weller & St. Clair, 1928
   |?- ?Calaurops Whitfield, 1886
   |-- †Schizopea typica Butts, 1926
   |--o †Euconia Ulrich, in Ulrich & Scofield, 1897
   |  |-- †E. conicus [Jarlopsis conicus]
   |  |-- †E. etna
   |  `-- †E. umbilicata [Rhombella umbilicata]
   |-- EUOMPHALINA de Koninck, 1881
   `--+-- Schizopea normalis [Dirhachopea normalis]
      `--o †Sinuopea Ulrich, 1911
         |-- †S. basiplanata
         |--o †Sinuopea  Ulrich, 1911
         |  |-- †S. emminencis
         |  `--+-- †S. sweeti
         |     `--o †BELLEROPHONTINA
         |        |-- †Owenella antiquata
         |        |-- †Cloudia buttsi
         |        `-- †Sinuites sowerbyi
         `--+-- S. ?st. clairi [Taeniospira st. clairi]
            `-- MURCHISONIINA Cox & Knight, 1960

Reference(s):

Wagner, P. J., 2002 [1995]: Phylogenetic relationships of the earliest anisostrophically coiled gastropods.
--Smithsonian Contributions to Paleobiology: Vol. 88, pp. vi-152
[Author [Wagner] notes that scientific material of this article is based on his 1995 Ph.D. -thesis, which is partly outdated]