A. fragilis

A. fragilis may refer to:


 * Acronicta fragilis, the fragile dagger moth, a moth species found from Newfoundland to Florida
 * Actinodaphne fragilis, a plant species endemic to Malaysia
 * Aglaia fragilis, a plant species endemic to Fiji
 * Allosaurus fragilis, a large theropod dinosaur species that lived 155 to 145 million years ago during the late Jurassic period
 * Anguis fragilis, the slowworm or blindworm, a limbless reptile species native to Eurasia
 * Apogon fragilis, a cardinalfish from the Indo-West Pacific
 * Argonauta fragilis, a pelagic octopus species
 * Ascobulla fragilis, a sea snail species
 * Atalacmea fragilis, a sea snail species
 * Atrina fragilis, the fan mussel, a large saltwater clam or marine bivalve mollusc species