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Encyclopedia > Thaliacea
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Thaliacea
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Urochordata
Class: Thaliacea
Nielsen, 1995
Orders

The Thalicea comprise a class of marine animals within the subphylum Urochordata. Unlike their bottom-dwelling relatives the ascidians, thaliaceans are free-floating for their entire lifespan. Thaliaceans of the order Pyrosomida are colonial, living in groups that can be over a meter long. Those of the order Doliolida live singly, Salpida live singly or form loosely connected "chains". All of the thaliceans are filter feeders. They have a barrel-shaped body through which they pump water, propelling them through the sea and from which they extract food. Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anenomes) Placozoa (trichoplax) Subregnum Bilateria (bilateral symmetry) Acoelomorpha (basal) Orthonectida (flatworms, echinoderms, etc. ... Typical Classes Subphylum Urochordata - Tunicates Ascidiacea Thaliacea Larvacea Subphylum Cephalochordata - Lancelets Subphylum Myxini - Hagfishes Subphylum Vertebrata - Vertebrates Petromyzontida - Lampreys Placodermi (extinct) Chondrichthyes - Cartilaginous fishes Acanthodii (extinct) Actinopterygii - Ray-finned fishes Actinistia - Coelacanths Dipnoi - Lungfishes Amphibia - Amphibians Reptilia - Reptiles Aves - Birds Mammalia - Mammals Chordates (phylum Chordata) include the vertebrates, together with... Classes Ascidiacea Thaliacea Appendicularia Urochordata (sometimes known as tunicata and commonly called urochordates, tunicates or sea squirts) is the subphylum of saclike filter feeders with input and output siphons. ... Scientific classification or biological classification refers to how biologists group and categorize extinct and living species of organisms. ... Salps are a primitive, barrel-shaped, sea life that move by pumping water through their bodies by means of contraction. ... Doliolida are small marine animals of the Tunicata phylum, related to salps and pyrosomas. ... Classes Ascidiacea Thaliacea Appendicularia Urochordata (sometimes known as tunicata and commonly called urochordates, tunicates or sea squirts) is the subphylum of saclike filter feeders with input and output siphons. ... Orders Aplousobranchia Enterogona Phlebobranchia Pleurogona Stolidobranchia Ascidiacea (commonly known as the ascidians or sea-Squirts) is an class in the Tunicata subphylum of sac-like marine filter feeders. ... Filter feeders (also known as suspension feeders) are animals that feed by straining suspended matter and food particles from water, typically by passing the water over a specialized structure, such as the baleen of baleen whales. ...


External links

  • Information on Thaliacea at earthlife.net
  • Information on Thaliacea at amonline.net.au
  • Information on Thaliacea at ascidians.com

  Results from FactBites:
 
Pelagic Tunicate References (1003 words)
Effects of temperature on the swimming of salps (Tunicata, Thaliacea): implications for vertical migration.
Salps of the genus Pegea Savigny 1816 (Tunicata: Thaliacea).
On certain Thaliacea (Tunicata) from the Pacific Ocean, with descriptions of two new species of doliolids.
The Salps (Class Thaliacea) (1127 words)
The class Thaliacea contains about 70 species of small barrel shaped animals that spend their lives swimming slowly through the warmer seas of the world.
They swim as they feed, or visa versa because like all the Urochordates they are filter feeders and they have their inhalant and exhalent siphons at opposite ends of their bodies.
It is not expensive and should be thoroughly enjoyable, so if you like it please tell people about it, or better still give it to someone as a present for Christmas of a birthday.
  More results at FactBites »

 
 

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