Anomphalinae

Belongs within: Vetigastropoda.

The Anomphalinae are a group of gastropods known from the Early Devonian to the Carboniferous or Permian (Peel 1984).

Characters (Peel 1984): Aperture near tangential, outer lip generally prosocline. Umbilicus often partially closed by callus, occasionally possessing a narrow circumbilical funicle.

<==Anomphalinae
    |--Isonema Meek & Worthen 1866P84
    |    `--I. humile Meek 1872 (see below for synonymy)KC60
    |--Tychonia de Koninck 1881P84
    |    `--*T. omaliana (de Koninck 1843) [=Natica omaliana]KC60
    |--Sosiolytes Gemmellaro 1889P84
    |    `--*S. schlotheimi Gemmellaro 1889KC60
    |--Turbonilopsis de Koninck 1881P84
    |    |--*T. inconspicua de Koninck 1881B79
    |    `--T. rotunda Delpey 1916 [=T. rotundus]B79
    `--Anomphalus Meek & Worthen 1866BR05 [incl. Antirotella Cossmann 1918P84]
         |--*A. rotulus Meek & Worthen 1866BR17
         |--A. biconcavus Haas 1953TTE93
         |--A. fusuiensis Pan & Erwin 2002PE02
         |--A. helicoides Münster 1841TTE93
         |--A. minutusG31
         |--A. scalptusPE02
         |--A. studious Yochelson 1956PE02
         |--A. umbilicatus Knight 1933B79
         |--A. vanescensP85
         `--A. weixinensis Pan 1985P85

Isonema humile Meek 1872 [incl. *I. depressum Meek & Worthen 1866, Naticopsis depressa non (Guembel 1877), N. linearis Keyes 1889]^KC60

*Type species of generic name indicated

References

[B79] Batten, R. L. 1979. Gastropods from Perak, Malaysia. Part 2. The trochids, patellids and neritids. American Museum Novitates 2685: 1–26.

[BR05] Bouchet, P., & J.-P. Rocroi. 2005. Classification and nomenclator of gastropod families. Malacologia 47 (1–2): 1–397.

[BR17] Bouchet, P., J.-P. Rocroi, B. Hausdorf, A. Kaim, Y. Kano, A. Nützel, P. Parkhaev, M. Schrödl & E. E. Strong. 2017. Revised classification, nomenclator and typification of gastropod and monoplacophoran families. Malacologia 61 (1–2): 1–526.

[G31] Grabau, A. W. 1931. The Permian of Mongolia: A report on the Permian fauna of the Jisu Honguer limestone of Mongolia and its relations to the Permian of other parts of the world. American Museum of Natural History: New York.

[KC60] Knight, J. B., L. R. Cox, A. M. Keen, R. L. Batten, E. L. Yochelson & R. Robertson. 1960. Gastropoda: systematic descriptions. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt I. Mollusca 1: Mollusca—General Features, Scaphopoda, Amphineura, Monoplacophora, Gastropoda—General Features, Archaeogastropoda and some (mainly Paleozoic) Caenogastropoda and Opisthobranchia pp. I169–I331. Geological Society of America, and University of Kansas Press.

[PE02] Pan, H.-Z., & D. H. Erwin. 2002. Gastropods from the Permian of Guangxi and Yunnan Provinces, south China. Journal of Paleontology 76 (Memoir 56): 1–49.

[P85] Pan Y.-T. 1985. Fossil Gastropoda from the Permian of Sichuan, Guizhou, Yunnan and Guangxi. Acta Palaeontologica Sinica 24 (1): 29–37.

[P84] Peel, J. S. 1984. Autecology and systematics of a new Silurian anomphalid gastropod from western North Greenland. Rapp. Grønlands geol. Unders. 121: 77–87.

[TTE93] Tracey, S., J. A. Todd & D. H. Erwin. 1993. Mollusca: Gastropoda. In: Benton, M. J. (ed.) The Fossil Record 2 pp. 131–167. Chapman & Hall: London.