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n.1.(Paleon.) A genus of Silurian fossil corals; the chain corals. See Chain coral, under Chain.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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Wang and Zhan introduce a new species of middle Rhuddanian Halysites tabulate corals from Meitan, northern Guizhou, Southwest China.
A, Propora tubulata (Lonsdale), Halysites senior Klaamann, and Paleofavosites secundus?
Heliolitids dominate over the other taxa in diversity and abundance, while halysitids are represented by abundant specimens of only one species, Halysites senior.
The community, occurring in the Mustjala and Ninase members in localities of Northern Saaremaa, including Liiva, is called after the index fossil the Halysites senior community Klaamann (1983).
I, figs 1-3) and thickening of corallite walls in Halysites senior (Pl.
interstinctus and the latter species instead belongs to the Halysites senior community (Klaamann 1983).
On the basis of new data from Southwest China and other published data from other regions, Halysites across the Ordovician-Silurian transition at species level is summarized and briefly discussed here.
The earliest known definite member of Halysites is H.
It should be noted that the age of all but two Katian Halysites records from Australia is late Hirnantian or much younger.
The present concept of Halysites follows Laub (1979), who considered Schedohalysites as a junior synonym of Halysites.