notula

N1O1T1U1L1A1

noun

A small circular pit on an internal fossil mold of a trilobite marking the impression of an apodeme.

OriginLatin notula →
Scrabble 6
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Meanings

nounnotula (plural notulae)

plural notulae

  1. biologyA small circular pit on an internal fossil mold of a trilobite marking the impression of an apodeme.

    Generally a pair of notulae is associated with each muscle scar. Notulae also occur in the cephalon, in some species being present in the floor of the oblique lateral scars of the posterior lobe (Shergold, 1975).

    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 13

Origin

  1. Latinnotula
  2. Latinnotula
  3. Englishnotula

Borrowed from Latin notula.

More words from Latin

Full word history & related roots →

Rhymes & wordplay

Anagrams

utonal
Cite this entry
APA

notula. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/notula

MLA

“notula.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/notula. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “notula,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/notula.

Source: notula on Wiktionary, CC BY-SA 4.0.