| Planorbidae |
a large family of pulmonate fresh-water snails (suborder Basommatophora, order Pulmonata), many species of which are intermediate hosts of pathogenic trematodes; it includes the genera Biomphalaria, Bulinus, Segmentina, and Planorbis (the type genus).
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
|
|---|