protaspis
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English
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/37/1911_Britannica-Arachnida-Sao_hirsuta.png/220px-1911_Britannica-Arachnida-Sao_hirsuta.png)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/b/b3/Phacops_rana_fossil_trilobite_%28Windom_Shale%2C_Middle_Devonian%3B_Penn_Dixie_site%2C_New_York_State%2C_USA%29_%2817178725587%29.jpg/220px-Phacops_rana_fossil_trilobite_%28Windom_Shale%2C_Middle_Devonian%3B_Penn_Dixie_site%2C_New_York_State%2C_USA%29_%2817178725587%29.jpg)
Etymology
[edit]prot- + aspis (from Ancient Greek ἀσπίς (aspís, “shield”)).
Pronunciation
[edit]- (Received Pronunciation) IPA(key): /pɹəˈtaspɪs/
Audio (Southern England): (file)
- (General American) IPA(key): /pɹəˈtæspəs/
- Hyphenation: prot‧as‧pis
Noun
[edit]protaspis (plural protaspides)
- (paleontology) A stage in the development of a trilobite where the creature has not yet developed articulated segments.
Derived terms
[edit]Derived terms
See also
[edit]References
[edit]- S. M. Gon III (2007 November 8) “Trilobite Reproduction and Development”, in Trilobites.info[1], archived from the original on 26 April 2016.