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The Collaborative International Dictionary
Phylactolaematous

Phylactolaematous \Phy*lac`to*l[ae]"ma*tous\, a. (Zo["o]l.) Of or pertaining to the Phylactol[ae]ma.

Wiktionary
phylactolaematous

a. (context zoology English) Of or relating to the Phylactolaema.