protaspis

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English[edit]

An illustration from the 11th Edition of Encyclopædia Britannica showing five stages in the life cycle of the trilobite Sao hirsuta
A fossil of the trilobite Phacops rana

Etymology[edit]

prot- +‎ aspis (from Ancient Greek ἀσπίς ‎(aspís, shield)).

Pronunciation[edit]

Noun[edit]

protaspis ‎(plural protaspides)

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

Derived terms[edit]

See also[edit]

References[edit]

  • S. M. Gon III (8 November 2007), “Trilobite Reproduction and Development”, in Trilobites.info[1], archived from the original on 26 April 2016.