The Collaborative International Dictionary
Corneocalcareous
Corneocalcareous \Cor"ne*o*cal*ca"re*ous\ (k?rn?-?-k?l-k?"r?-?s), a.
(Zo["o]l.) Formed of a mixture of horny and calcareous materials, as some shells and corals.
Horny on one side and calcareous on the other.
Wiktionary
corneocalcareous
a. (context rare zoology English) Formed of a mixture of horny and calcareous materials, like some shells and corals.