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Trilobite vs Protaspis - What's the difference?

trilobite | protaspis |

As nouns the difference between trilobite and protaspis

is that trilobite is (biology) an extinct arthropod of the class trilobita, whose body had three large lobes while protaspis is a stage in the development of a trilobite where the creature has not yet developed articulated segments.

trilobite

English

(wikipedia trilobite)

Noun

(en noun)
  • (biology) An extinct arthropod of the class Trilobita, whose body had three large lobes.

    • protaspis

    English

    Noun

    (protaspides)
  • A stage in the development of a trilobite where the creature has not yet developed articulated segments.

    • Derived terms

    * anaprotaspis * metaprotaspis * paraprotaspis * protaspid

    See also

    * holaspis * meraspis

    References

    http://www.trilobites.info/ontogeny.htm