Species †C. patellitheca Rank Genus | ||
Similar Strepsodiscus, Aldanellidae, Scenella, Elimia tenera, Bellerophon | ||
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.
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.
References
Chippewaella Wikipedia(Text) CC BY-SA