agnostid

agnostid
A trilobite of the Agnostida order.

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  • agnostid — ag·nos·tid …   English syllables

  • agnostid — agˈnästə̇d adjective Etymology: New Latin Agnostus + English id : of or belonging to the genus Agnostus …   Useful english dictionary

  • Agnostida — Taxobox name = Agnostida fossil range = Early Cambrian – Late Ordovician image width = 300px image caption = Peronopsis interstrictus image2 caption = Agnostus pisiformis regnum = Animalia phylum = Arthropoda classis = Trilobita ordo = Agnostida… …   Wikipedia

  • Agnostida —   Agnostida Rango fósil: Cámbrico Inferior Ordovícico Superior …   Wikipedia Español

  • Trilobite — ] Highly complex compound eyes are another obvious feature of the cephalon (see below). Figure 3 shows gross morphology of the cephalon. The cheeks (genae) are the pleural lobes on each side of the axial feature, the glabella. When trilobites… …   Wikipedia

  • Mark McMenamin — Residence South Hadley, Massachusetts Citizenship United States Fields …   Wikipedia

  • Ayusokkanian — The Ayusokkanian is a Russian and Kazakhian faunal stage that occurred during the Early Cambrian period. It spans from 501 to 494.5 million years ago. The beginning of the Ayusokkanian stage is marked by the appearance of the agnostid trilobite… …   Wikipedia

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