lab 6 Flashcards
Phylum mollusca what classes
polyplacophora
gastropoda
bivalve
scaphopoda
cephalopoda
class polyplacophora
the chitons
class gastropoda diff groups
prosobranchs
opisthobranchs- sea slugs
pulmonates
prosobranchs
snails, limpets
pulmonates
cornu
bivalva subclasses
paleotaxadonta
pterriomorphia
heterodonta
anomalodesmata
class scaphopoda
tusk shell
class cephalopoda subclassses
nautiloidea
ammonoidea
coleoidea
pteriomorphia
mussels, scallops (mytilus), oysters
heterodonta
clams: mercebtarua
c. scaphopoda
tusk shell
sub.c nautiloidea
nautilus
subclass coleoidea orders
decapodiformes
octapodifirns
decapodiformes
squids: loligo
cuddlefish
octapodiformes
octopus
oldest pt of shell gastropod
apex
periostractum
outermost layer of gastropod shell
mantle
encloses some structures
pneumostome
small hole near mantle- exchange b/w out and inside mantle
mantle cavity
cavity b/w mantle that holds shid
radula
cheese grator, used for feeding
dart sac
secretes hornoes aiding sperm surviva;
siphon
moves stuff
ctenidium
respiratory structure