- trepostome
- trep·o·stome
English syllables. 2014.
English syllables. 2014.
trepostome — adjective or noun see trepostomata … Useful english dictionary
Ordovician — Period 488.3–443.7 million years ago … Wikipedia
Chazy Formation — Stromatoporoid at Fisk Quarry, Isle La Motte, Vermont The Chazy Reef Formation is a mid Ordovician limestone deposit that consists of some of the oldest reef systems built by a community of organisms[1] rather than the deposit of a limited range… … Wikipedia
moss animal — bryozoan. [1880 85] * * * ▪ invertebrate Introduction also called bryozoan, any member of the phylum Bryozoa (also called Polyzoa or Ectoprocta), in which there are about 5,000 extant species. Another 15,000 species are known only from… … Universalium
Great Ordovician Biodiversification Event — The Great Ordovician Biodiversification Event (GOBE or Ordovician radiation) was a diversification of animal life throughout[1] the Ordovician period, just 40 million years after the Cambrian explosion,[2] whereby the distinctive Cambrian fauna… … Wikipedia