Wikipedia Hal`y`si´tes (hăl`ĭ`sī´tēz) n.1.(Paleon.)A genus of Silurian fossil corals; the chain corals. See Chain coral, underChain. Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
In adult colonies they were small, because of the chains which developed from planulae of successive generations, which settled within lacunae.Colonies formed from more than one planula were described in fossil and Recent corals !(Koeh 1892; Duerden 1902; Fedorowski 1980). Duerden (1902), who ...