About: Canadaspis   Sponge Permalink

An Entity of Type : owl:Thing, within Data Space : dbkwik.org associated with source dataset(s)

Canadaspis had claws on the end of its frontal appendages which may have been used to stir up sediment, or to scrape off the top layer,[1] which may have been a nutritious layer of microbes. Large particles it stirred up would have been captured by spines on the inside of its legs; these spines would have directed the food particles to the organism's mouth, where it used its mandibles to grind larger particles.[1] Canadaspis is very closely related to the similar organism Perspicaris, differing only in morphological detail.

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  • Canadaspis
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  • Canadaspis had claws on the end of its frontal appendages which may have been used to stir up sediment, or to scrape off the top layer,[1] which may have been a nutritious layer of microbes. Large particles it stirred up would have been captured by spines on the inside of its legs; these spines would have directed the food particles to the organism's mouth, where it used its mandibles to grind larger particles.[1] Canadaspis is very closely related to the similar organism Perspicaris, differing only in morphological detail.
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abstract
  • Canadaspis had claws on the end of its frontal appendages which may have been used to stir up sediment, or to scrape off the top layer,[1] which may have been a nutritious layer of microbes. Large particles it stirred up would have been captured by spines on the inside of its legs; these spines would have directed the food particles to the organism's mouth, where it used its mandibles to grind larger particles.[1] Its antennae served a sensory function.[1] Spines on its head probably served to protect its vulnerable eyes from predators.[1] Its limbs probably moved in sequence to produce a rippling motion. Although Canadaspis probably did not swim, this could have helped propel the organism from under soft sediments. The appendages also produced currents which would have helped with feeding and respiration.[1] Canadaspis is very closely related to the similar organism Perspicaris, differing only in morphological detail.
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