Meaning of hystrichosphere in English:

hystrichosphere

Pronunciation /ˈhɪstrɪkə(ʊ)sfɪə/

noun

historical
  • Any of a group of microfossils consisting of spherical or elliptical structures bearing spiny projections, originally thought to be distinct species of planktonic algae and later recognized to be specialized resting spores of dinoflagellates; (in later use also) a living resting spore of this type.

Origin

1950s; earliest use found in Australian Journal Marine & Freshwater Research. From scientific Latin Hystrichosphaera, genus name from ancient Greek ὑστριχ-, ὕστριξ porcupine + -ο- + σϕαῖρα ball.