BIOL 321 Pictures Flashcards
(71 cards)
polymorphic hydroid


Glyceridae
blood worm
Plesiomorphy

Epitoky posterior budding

Lumbricus digestion
Pharynx, pharyngeal dilator muscles, esophagus, crop, gizzard, intestine, typhlosole, chloragogen tissue


Subphylum Medusazoa
Class Scyphozoa
Genus Aurelia
moon jelly

Subphylum Anthozoa
Class Octocorallia
bamboo coral
Arenicolidae
lugworm

Colonial hexacorallia
(the connections between polyps)

plesiomorphy


Hydra
(Subphylum Medusozoa, Class Hydrozoa)

Nereididae
ragworm
Arenicolidae feeding

Hydra histological cross-section

Bonnelia
Echiuridae


Subphylum Anthozoa
Class Hexacorallia
brain coral
Cnidaria epidermis

Nereis cross section
Note: cuticle, epidermis, circular muscle, longitudinal muscle, oblique muscle, eucoelom, intestine, dorsal blood vessel, ventral nerve cord, aciculae

Staurozoa

Siboglinidae morphology
note: branchial filaments, vestimentum, trunk, opisthosoma


Echiuridae
Turbellarian x-section
note: body musculature, inestinal caeca, parenchyma, epidermis


Cestoda oncosphere
Siphonophore















































