Chippewaella Explained

Chippewaella patellitheca is a stem-gastropod mollusc from Furongian-aged strata of Late Cambrian Wisconsin. According to Peter J. Wagner, it is the most basal gastropod.[1]

Morphology

C. patellitheca is known from broad, low, cap-shaped or mound-shaped shells around 2 centimeters in diameter. The shell has a slight apex that points posteriorly, and is at the posterior end of a central dorsal ridge.

External links

Notes and References

  1. Wagner. P. J.. 2004. Phylogenetic Relationships of the Earliest Anisostrophically Coiled Gastropods. Smithsonian Contributions to Paleobiology. 10.5479/si.00810266.88.1. 88. 1–152. .