Figure 6.

Shells of Pomacea insularum and Pomacea canaliculata collected within the continental U.S. Apertural and abapertural views of two specimens of: a. Pomacea insularum from Lake Tohopekaliga, Florida; b. Pomacea canaliculata from Mecca, California. Scale Bar: 5 cm.

Rawlings et al. BMC Evolutionary Biology 2007 7:97   doi:10.1186/1471-2148-7-97
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