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Tuesday, October 2, 2012

Singapore Animals

Kingdom Animalia

Animal Systematic has been evolving through the ages. As such, the following classification may not reflect all the recent findings and changes.

Invertebrates are animals without backbones. They include almost all the members in the Animal Kingdom, except for those with backbone (vertebrates), like mammals, birds, reptiles, amphibians and fishes. Protozoans (single-celled organisms) used to be considered animals, but they are now grouped under Kingdom Protista. Hence, the most primitive animals are now Sponges. There are several phyla of worm-like animals. Vertebrates all fall within the Phylum Chordata, which also includes invertebrates like Tunicates and Lancelets. The majority of animals, however, are in the Phylum Arthropoda, which includes insects, crustaceans, spiders, centipedes, millipedes, etc.

Sponges (Phylum Porifera)
Placozoan (Phylum Placozoa)
Ciliated Protozoans (Phylum Myxozoa)
Jellyfish, Anemones, Corals, Hydrozoans (Phylum Cnidaria)
Comb Jellies (Phylum Ctenophora)
Penis or Cactus Worms (Phylum Priapula)
Girdle Wearers or Brush Heads (Phylum Loricifera)
Spiny-crowned Worms or Mud Dragons (Phylum Kinorhyncha)
Gordian or Horsehair Worms (Phylum Nematomorpha)
Roundworms (Phylum Nematoda)
Velvet Worms or Peripatus (Phylum Onychophora)
Tardigrades or Water Bears (Phylum Tardigrada)
Arthropods (Phylum Arthropoda)
Flatworms (Phylum Platyhelminthes)
Molluscs (Phylum Mollusca)
Segmented Worms (Phylum Annelida)
Peanut Worms (Phylum Sipuncula)
Rotifers (Phylum Rotifera)
Ribbon or Proboscis Worms (Phylum Nemertea)
Horseshoe Worms (Phylum Phoronida)
Moss Animals (Phylum Bryozoa)
Lamp Shells (Phylum Brachiopoda)
Gastrotrichs (Phylum Gastrotricha)
Goblet Worms or Kamptozoans (Phylum Entoprocta)
Arrow Worms (Phylum Chaetognatha)
Jaw Worms (Phylum Gnathostomulida)
Starfish, Sea Urchins, Sea Cucumbers, Sea Lilies (Phylum Echinodermata)
Acorn Worms (Phylum Hemichordata)
Tunicates, Lancelets, Vertebrates (Phylum Chordata)

References
http://tolweb.org/Animals/2374
http://animaldiversity.ummz.umich.edu/site/accounts/classification/Animalia.html#Animalia

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