Genus: Zapsalis COPE, 1876
Etymology: Greek, za, "cutting" and Greek, psalis, "shears."

Species: abradens COPE, 1876
Etymology: Greek, abradens, "scrapping."
= Dromaeosaurus abradens (COPE, 1876) )  MATTHEW & BROWN, 1922 vide KUHN, 1939 (nomen dubium)
= Dromaeosaurus Type A by SANKEY, BRINKMAN, GUENTHER & CURRIE, 2002  

Holotype: AMNH 3953

Locality: Judith River, Fergus County, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

Age: Judithian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Teeth.

Referred mateiral:

LARSON & CURRIE, 2013

Locality: Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

Numbers: Not given: Teeth.