The Collaborative International Dictionary
Testudinarious
Testudinarious \Tes*tu`di*na"ri*ous\, a. (Zo["o]l.) Of or pertaining to the shell of a tortoise; resembling a tortoise shell; having the color or markings of a tortoise shell.
Wiktionary
testudinarious
a. (context zoology English) Resembling or pertaining to the shell of a tortoise.