Lacerum

Lacerum or lacer from Latin may refer to:

In anatomy and medicine: In biology:
 * Foramen lacerum, a triangular hole in the base of the skull
 * Lacerum segment, a part of the course of the internal carotid artery
 * Animals:
 * Lepton lacerum, a species of saltwater clam in the family Lasaeidae
 * Plants:
 * Trichocentrum lacerum, a species of orchid found from Central America to Colombia
 * Moxostoma lacerum or Harlip sucker, an extinct species of ray-finned fish in the family Catostomidae