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Encyclopedia > Phoronida
'Phoronids'
Scientific classification
Kingdom: Animalia
Phylum: Phoronida
Family: Phoronidae
Genera

Phoronis
Phoronopsis

Phoronids (Phoronida) are a relatively small animal phylum: twelve species are known, in two genera, Phoronis and Phoronopsis. Phoronids are worm-shaped, but with a gut that loops and exits the body near the mouth, instead of running the length of the animal, as in annelids (and many vertebrates). Phoronids are found in marine sediments, ranging from the intertidal zone to 400 meters depth, but are commonest at depths of less than 70 meters. The adults secrete chitinous tubes in which to live. They feed using a lophophore, a ciliated structure that surrounds the mouth.


Together with the Ectoprocta and Brachiopoda, the phoronids belong to the lophophorates, sometimes treated as a single phylum. There are no known phoronid fossils.


References


http://www.itis.usda.gov
TSN (phylum): 155456
TSN (family): 155457


  Results from FactBites:
 
Phoronida - Encyclopedia.com (0 words)
Phoronida, small phylum of slender, wormlike marine tube-dwellers, typically found in temperate, shallow seas.
A waterborne behavioral cue for the actinotroch larva of Phoronis pallida (Phoronida) produced by Upogebia pugettensis (Decapoda: Thalassinidea).
Ciliary feeding assisted by suction from the muscular oral hood of phoronid larvae.
  More results at FactBites »

 
 

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