Nautilocalyx is a genus of plant in family Gesneriaceae. It contains the following species (but this list may be incomplete): \n* Nautilocalyx biserrulatus \n* Nautilocalyx bracteatus \n* Nautilocalyx bullatus (Lem.) Sprague \n* Nautilocalyx colombianus \n* Nautilocalyx dressleri \n* Nautilocalyx ecuadoranus Wiehler \n* Nautilocalyx forgetii (Sprague) Sprague \n* Nautilocalyx glandulifer Wiehler \n* Nautilocalyx lucianii \n* Nautilocalyx lynchei (Hook. f.) Sprague \n* Nautilocalyx melittifolius \n* Nautilocalyx pallidus \n* Nautilocalyx panamensis \n* Nautilocalyx pemphidius \n* Nautilocalyx pictus \n* Nautilocalyx purpurascens \n* Nautilocalyx vinosus Wiehler \n* Nautilocalyx whitei