Paradoxa

Paradoxa may refer to:
 * Paradoxa (fungus), a genus of fungi in the family Tuberaceae
 * Paradoxa, a junior synonym of the sea snail genus Pradoxa
 * Animalia Paradoxa, a list of animals which are mythical, magical or otherwise suspected not to exist, in editions 1 to 5 of Carl Linnaeus's seminal work Systema Naturae