demospongiae
(silica most common)
hexactinellida
(silica glass)
Phylum Cnidaria
Lophotrochozoan Clade
Mollusca, Annelida, Platyhelminthes (MAP)
Ecdysozoan Clade
Nematoda, Arthropoda
lophotrochozoans vs. ecdysozoan
Lo- grow by increasing body size, ecd- grow by molting
Phylum Platyhelminthes
Turbellaria- (planarians free living), trematoda- (flukes parasite), cestoda (tapeworm parasite)
Turbellaria
freeliving platyhelminthes
Trematoda
flukes parasite platyhelminthes
cestoda
tapeworm parasite platyhelminthes
Phylum Annelida
Hirudinea- (leeches), oligochaeta- (earthworms), polychaeta
hirudinea
leaches annelida
oligochaeta
earthworms annelida
polychaeta
annelida
ID Earth worms (annelids)
clittelum- gets eggs, crop, gizzard, mouth, septa-sections, heart/blood, seminal vesical
ID Polychaete (annelida)
parapodia, jaws, eyes
Phylum Mollusca
Gastropoda- (snails and slugs), polyplacophora- (chitons), bivalvia- (clams, mussels, oysters, scallops), cephalopoda- (nautilus, cuttlefish, squids, octopuses)
gastropoda
snails and slugs mollusca
bivalvia
clams, mussels, oysters, scallops mollusca
cephalopoda
nautilus, cuttlefish, squids, octopus mollusca
Clam
gills, mantle, adductor muscle, foot, excurrent siphon, incurrent siphons, visceral mass
clam shell
umbo, anterior, posterior, dorsal, ventral
polyplacophora
chitons Mollusca
Phylum Anthropoda
Chelicerata, Myriapoda, Hexapoda, Crustacea