【摘 要】
：
Corallum massive, composed of long irregular prismatic and often curved corallites, which are completely amalgamated by means of their epithecae and show no tr
【机 构】
：
Geol. Survey of China.,
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Corallum massive, composed of long irregular prismatic and often curved corallites, which are completely amalgamated by means of their epithecae and show no trace of divisional lines between them. Epitheca imperforate, rather thick, equalling about one fourth the diameter of the thecarium. Calyx unknown,
Corallum massive, composed of long irregular prismatic and often curved corallites, which are completely amalgamated by means of their epithecae and show no trace of divisional lines between them. Epitheca imperforate, rather thick, equalling about one fourth the diameter of the thecarium. Calyx unknown ,
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