Word.ws English Dictionary

posteroaxis

posteroaxis noun: the posterior section of the central axial lobe on the pygidium of an agnostoid trilobite.

Noun

posteroaxis (plural posteroaxes)

  1. The posterior section of the central axial lobe on the pygidium of an agnostoid trilobite.
    • […] isopygous trilobites having two thoracic segments, 2-3 segments in the pygidial anteroaxis, 3-8 additionally in fused complex posteroaxis of variable geometry and constitution[…]1990, J. H. Shergold, J. R. Laurie, Sun Xiaowen, Classification and Review of the Trilobite Order Agnostida Salter, 1864: An Australian Perspective, archived from the original on 26 Jul 2026, page 32

Forms of posteroaxis

pluralposteroaxes

Origin of posteroaxis

From postero- + axis.

Questions about posteroaxis

What does posteroaxis mean?
Posteroaxis means the posterior section of the central axial lobe on the pygidium of an agnostoid trilobite.
What part of speech is posteroaxis?
Posteroaxis is a noun.
What is the plural of posteroaxis?
The plural of posteroaxis is posteroaxes.

Words near posteroaxis in the dictionary

  1. postero-ventro-laterally
  2. posteroanterior
  3. posteroapical
  4. posteroapically
  5. posteroaxes
  6. posteroaxis
  7. posterobasal
  8. posterobucally
  9. posterobuccal
  10. posterobuccally
  11. posterocaudal

Source and license

Adapted from Wiktionary: posteroaxis (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “posteroaxis.” Word.ws, https://word.ws/posteroaxis. Based on Wiktionary, CC BY-SA 4.0.