‖ cœnosteum Zool.
(siːˈnɒstɪəm)
[f. Gr. κοιν-ός common + ὀστέον bone.]
The common calcareous skeleton of the Hydrocorallina, a division of the Hydrozoa, as of millepore coral.
| 1880 Moseley Zool. Challenger Exped. vii. 12 The hard tissue is here termed cœnosteum to distinguish it from the Anthozoan corallum. 1888 Rolleston & Jackson Anim. Life 776 Stylasteridae: Coenosteum arborescent. |