Potinara (Pot.) is a complex intergeneric hybrid of Brassavola, Cattleya, Laelia and Sophronitis.
"In 2008, the genus Sophronitis was merged into Cattleya, making such nothogenera as Potinara, Sophrolaeliocattleya and Sophrocattleya no longer current, but only of historical interest. "
Potinara - Wikipedia, the free encyclopedia
the "new" name (genus) for yours is Rhyncattleanthe (from RHS grex name search)
The International Orchid Register / RHS Gardening