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053.rjb1

The shells of these two Michigan species show extremes in shell morphology in the family. Radix on the left is globose, while Acella on the right is more or less needle-shaped.

About this image

Identification: Radix auricularia; Acella haldemani
Contributors: John B. Burch, University of Michigan-Ann Arbor
photographer copyright holder
Subjects: Type Photo; Subject Specimen

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This resource may not be downloaded and used without permission of the copyright holder except for educational fair use.

To cite this page: Burch, J. 2004. "053.rjb1.jpg" (On-line), Animal Diversity Web. Accessed {%B %d, %Y} at https://animaldiversity.org/collections/contributors/jack_burch/053.rjb1/

Last updated: 2004-52-01 / Generated: 2025-09-15 01:12