Classification Flashcards
Protoplasmic level of organisations
Amoeba
Cellular level of organisations
Porifera
Tissue level organization
Coelenterata/Cnidaria
Ctenophora
Organ level body organisation
Platyhelminthes
Organ system level body organisation
Aschelminthes/Nematihelminthes
Annelida
Arthropoda
Mollusca
Echinodermata
Hemichordata
Chordata
Cell aggregate body plan
Porifera
Blind sac body plan
Incomplete digestive system
Coelenterata
Ctenophora
Platyhelminthes
Tube within tube body plan
Complete digestive system
Aschelminthes onwards
Closed circulatory system
Annelida
Class cephalopoda of mollusca
Chordates except lower chordates
(Tunicates, doliolum, ascidia, salpa)
Circulatory system present from phylum
Annelida
Asymmetrical
Sponges (except Sycon and leucosolenia)
Protozoa
Snail adult
Radial symmetry
Coelenterata
Ctenophora
Sycon and leucosolenia
Echinodermata adult
Bilateral symmetry
Platyhelminthes to Chordates
Echinodermata larva
Diploblastic germ layer
Coelenterata
Ctenophora
Triploblastic germ layer
Platyhelminthes to Chordates
Acoelomate body cavity
Coelenterata
Ctenophora
Platyhelminthes
Pseudocoelomate body cavity
Aschelminthes
Coelomate body cavity
Annelida to Chordates
Psudometamerism
Tapeworm (Platyhelminthes)
Metamerism
Annelida
Arthropoda
Chordata
Protostomiates
Platyhelminthes to Mollusca
Deuterostomiates
Echinodermata
Hemichordata
Chordata
Sub phylum of phylum chordata
Vertebrata
Protochordates:
Urochordata (tunicates)
Cephalochordata
Groups of phylum chordata
Craniata (vertebrates)
Acraniata (urochordata, cephalochordata)
Divisions of sub phylum vertebrata
Agnatha (cyclostomata, ostrachodermi)
Gnathostomata (pisces, tetrapoda)
First vertebtates on earth
Ostrachodermi e.g. CEPHALASPIS
extinct
Super class of division gnathostomata of sub phyla vertebrata
Pisces (bear fins) MAX LIVE CHORDATES
Tetrapoda (bear limbs) SMALL GROUP OF ANIMALS
Classes of super class Pisces of division gnathostomata of sub phylum vertebrata
Pilachodermi, extinct
Chondricthyes, cartilaginous fishes
Osteicthyes, bony fishes
First true fishes
Pilachodermi e.g. Climatus , extinct
Classes of super class tetrapoda of division gnathostomata of sub phyla vertebrata
Amphibia
Reptilia
Aves
Mammals
Respiratory s, and is present from phylum
Arthropoda
Distinctive features of Porifera
Body with pores and canals in wall
Distinctive feature of Coelenterata
Cnidoblast cell
Distinctive feature of Ctenophora
Comb plates for locomotion
Distinctive features of Platyhelminthes
Flat body and suckers
Distinctive features of Aschelminthes
Often worm shaped and elongated
Annelida distinctive features
Body segmentation like rings
Distinctive features of arthropoda
Cuticle exoskeleton
Jointed appendagesu
Mollusca distinctive features
External Skelton of chitinous shell
Echinodermata distinctive features
Water vascular system
Radial symmetry
Hemichordata distinctive features
Worm like
Proboscis gland
Collar and trunk
Chordata distinctive features
Notochord
Dorsal hollow nerve cord
Gill slits
Limb and fins
