Chippewaella

From Freepedia

Chippewaella patellitheca is a very primitive snail-like mollusc from the Late Cambrian. According to Wagner 1999 it is the most basal gastropod

External Links

• The Earliest Gastropods - "Strepsodiscidae", Tropidodiscidae, etc

References

• Wagner, P. J. (1999). Phylogenetics of the earliest anisostrophically coiled gastropods. Smithsonian Contributions to Paleobiology 88: 1 - 132.
• ----- [no date]. Systematic Paleontology of the Earliest Gastropods (Including Family and Genus Level Stratigraphic Ranges and Synonyms