Figure 2
From: The identity, distribution, and impacts of non-native apple snails in the continental United States
Shells of introduced and native Pomacea collected in Florida. Apertural and abapertural views of the same specimens: a. Pomacea diffusa, b. Pomacea haustrum, c. Pomacea insularum, d. Pomacea paludosa (the native Florida apple snail). Scale Bar: 5 cm.