A. bidentata

A. bidentata may refer to:


 * Acacia bidentata, a whistling thorn
 * Achyranthes bidentata, a medicinal plant
 * Acontia bidentata, an owlet moth
 * Acteocina bidentata, a deepsea snail
 * Alucita bidentata, a many-plumed moth
 * Antheua bidentata, a prominent moth
 * Antichthonidris bidentata, a South American ant
 * Aphrophila bidentata, a crane fly
 * Austromontia bidentata, a South African harvestman