trionychoid
adjective
tri·on·y·choid
(ˈ)trī¦änəˌkȯid
variants or tryonychoidean
(¦)trīˌänə¦kȯidēən
: resembling or related to the Trionychidae
Word History
Etymology
trionychoid from New Latin Trionychoidea, order of softshell turtles, from Trionych-, Trionyx + -oidea; trionychoidean from New Latin Trionychoidea + English -an