Phyla of Kingdom Animalia Phyla of Kingdom Animalia Porifera Cnidaria Ctenophora Platyhelminthes Ectoprocta Mollusca Annelida Arthropoda Echinodermata Chordata
Jan 02, 2016
Phyla of Kingdom AnimaliaPhyla of Kingdom Animalia
Porifera Cnidaria Ctenophora Platyhelminthes Ectoprocta
Mollusca Annelida Arthropoda Echinodermata Chordata
Phylum: PoriferaPhylum: Porifera Sponges: around 5,000 living species Simplest multi-cellular organisms Cellular-level organization
– Their cells are specialized– Similar cells are not organized into tissues
All sessile and benthic Filter feeders
Phylum: CnidariaPhylum: Cnidaria Radially or Biradially symmetric Tissue level of organization True organs do not occur Two basic body forms:
– Medusa: free swimming or floating– Polyp: usually sessile
Nematocysts
Phylum: CnidariaPhylum: Cnidaria Corals Hydroids Sea anemones Jellyfish Sea pens
Phylum: EchinodermataPhylum: Echinodermata
Calcereous endoskeleton Pentaradial symmetry Water vascular system (tube feet)
– Decentralized nervous system
Phylum: EchinodermataPhylum: Echinodermata
Sea stars Brittle stars Sea urchins Sand dollars Sea cucumbers
Phylum: ArthropodaPhylum: Arthropoda
Bilaterally symetrical Strongly segmented bodies Exoskeletal construction Molting required for growth More species of Arthropod than all
other species combined
Phylum: ArthropodaPhylum: Arthropoda Barnacles Shrimp Crabs Lobster Isopods Amphipods Copepods
Phylum: MolluscaPhylum: Mollusca
Bilaterally symmetrical Strongly cephalized Complicated digestive system Complicated nervous system Most have a shell Over 50,000 living species
Phylum: MolluscaPhylum: Mollusca
Abalone Nudibranchs Octopi Squid Scallops Sea hare
Mussels Oysters Clams Periwinkles Chitons Snails Limpets
Phylum: Chordata (vertebrates)Phylum: Chordata (vertebrates)
Organisms that possess a Notochord– a rod that serves to stiffen the body and act
as a support during locomotion Bilateral symmetry Segmented body Ventral heart and closed blood system Bony or cartilaginous endoskeleton
Phylum: Chordata (vertebrates)Phylum: Chordata (vertebrates) Tunicates Salps Sharks Rays Skates Bony fish
Sea lions Seals Whales Sea otters Dolphins Birds