O. fragilis
# O. fragilis

O. fragilis may refer to:

* Omphalotropis fragilis, a gastropod species endemic to Micronesia
* Ophiothrix fragilis, an echinoderm species in the genus Ophiothrix
* Opuntia fragilis, the brittle prickly pear or little prickly pear, a cactus species native to much of North America
