Sepia
Loligo
Octopus
Mytilus
Caphalopods
Scaphopods
Bivalva
Gastropods
foot is located on head
head is fused with thorax
head is located on foot
notochord extends upto cephalic region
expelling water in a jet through siphon
lashing moment of their cephalic arms
characteristic undulations of their lateral fins
none of these
Teredo
Doris
Loligo
Octopus
Gastropoda
Caphalopoda
Bivalvia
Scaphopoda
limax and helix
pila and helix
lymnaea and planorbis
none of these
Pholas
Teredo
Solen
Dentalium
elephant tusk shells
butterflies of the sea
lerrfons of the sea
cucumbers of the sea
cuttlefish
squid
flying squid
devil fish
Annelida
Arthropoda
Mollusca
Chordata
Chiton
Unio
Teredo
Nautilus
Caphalopoda
Gastropoda
Pelecypoda
Scaphopoda
Sepia
Lamellidens
Chiron
Pila
pulmonary sac
ctenidia
book lungs
trachea
Pelecypoda
Scaphopoda
Bivalva
Gastropoda
Unio
Mytilus
Teredo
Tridacna
Mikimoto
Katu
Haeckel
Von Mohl
Sepia
Loligo
Patella
Nautilus
Pinctada
Unio
Anodonta
Ostrea
book lungs
pulmonary sacs
gills
respiratory siphons
patella
limax
teredo
chiton
Unio
Vila
Mytilus
Loligo
Chaetopterus
Aphrodite
Amphihite
Limidus
Trochophore
Veliger
Glochidium
Muller's larva
scallop
sea mussel
razor shell
any of these
myoglobin
anthocyanin
haemocyanin
hemoglobin
Pila
Starfish
Housefly
Earthworm
dentalium
cypraea
nautilus
pinctada
Crab
Aretticola
Milipede
Centipede