I think you already answered part of your question :)
Catasetum, Cycnoches, Clowesia, Cyrtopodium, some Dendrobiums, Lycastes like aromatica, Habenaria, Cynorkis, Corybas, Pterostylis, some terrestrials like Bletilla...
All of those do relatively well in those temps. and go dormant for at...