trochospiral

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English

Etymology

From trocho- +‎ spiral.

Noun

trochospiral (plural trochospirals)

  1. A spiral growth pattern in foraminifers.
    • 2015 November 26, “The Impact of the Latest Danian Event on Planktic Foraminiferal Faunas at ODP Site 1210 (Shatsky Rise, Pacific Ocean)”, in PLOS ONE, →DOI:
      They have a slight variation in trochospiral chamber arrangements with a wider umbilicus