A. horridus
Introduction '''''A. horridus''''' may refer to:* ''Abdopus horridus'', an octopus species in the genus ''Abdopus''* ''Acanthopholis horridus'', an ankylosaurid dinosaur species that lived during the Early Cretaceous Period around 100 million years ago* ''Acanthosicyos horridus'', an unusual melon species found only in Namibia* ''Argosarchus horridus'', the New Zealand giant stick insect, a stick insect species endemic to New Zealand
See also * Horridus (disambiguation)