Flashcards in Mollusca Deck (6)
What are the key features?
Very diverse but all have same body plan
trochophore larve stage
What is the radula?
used to feed
What are the different classes?
Gastropoda, Bivalvia, Cephalopodia
Snails, limpets and slugs, coiled shell, bilateral symmetry, terrestrial and aqautic
Clams and oysters
shell divided in two halves, powerful adductor muscles to close shell. no distinct head, some have eyes and sensory tentacles along edge of shell, mantle cavity contains gills adapted for feeding, most sedentary