Definition of stromatoporoid in English:

stromatoporoid

Syllabification: stro·ma·top·o·roid
Pronunciation: /ˌstrōməˈtäpəˌroid
 
/

noun

  • An extinct, sessile, corallike marine organism of uncertain relationship that built up calcareous masses composed of laminae and pillars, occurring from the Cambrian to the Cretaceous.
    More example sentences
    • The main victims were the major reef-building organisms: the stromatoporoid sponges, and rugose and tabulate corals.
    • The stromatoporoids had massive calcareous skeletons that are preserved as rather conspicuous fossils.
    • Other faunal elements include colonial and solitary corals, encrusting bryozoans, stromatoporoids, and rare brachiopods.

Origin

late 19th century: from modern Latin Stromatopora (genus name), from stroma, stromat- 'layer, covering' + -pora (on the pattern of madrepora).

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grotesque quality or grotesque things collectively