A. spinosa

A. spinosa may refer to:


 * Absidia spinosa, a fungus species
 * Acanthemblemaria spinosa, a blenny species
 * Acanthus spinosa, a flowering plant species
 * Acanthopleura spinosa, a chiton species, a primitive marine mollusk
 * Adejeania spinosa, a tachinid fly species
 * Adenia spinosa, a passionflower species
 * Agama spinosa, a small, long-tailed, insect-eating lizard species
 * Agathosma spinosa, a small shrub species
 * Amorphoscelis spinosa, a praying mantis species
 * Almenia spinosa, an arthropod species
 * Ancylotrypa spinosa, a wafer trapdoor spider species
 * Anotheca spinosa, or Rana De Corona, a frog species
 * Aphaenogaster spinosa, a myrmicine ant species
 * Arachnura spinosa, an orb-weaving spider species
 * Aralia spinosa, a woody plant species
 * Argania spinosa, the argan, a tree species
 * Atelidea spinosa, a long jawed spider species
 * Auximella spinosa, a tangled nest spider species