Machin reported that all soft parts of pulmonates contain appreciable amounts of water. |
Pulmonates produce many small egg masses during the spring-summer breeding season, and are considered seasonal breeders in the wild. |
Pulmonates are dioecious and hermaphroditic as are prosobranchs, but pulmonates develop directly. |
Traditionally, opisthobranchs have been recognized as a natural group and have been included within the gastropods together with prosobranchs and pulmonates. |