Genus: Albertonykus LONGRICH & CURRIE, 2009 (published 2008)
Etymology: In reference to the Province of Alberta, Canada, where the specimen was found, and Greek, onyx, "claw."

Species: borealis LONGRICH & CURRIE, 2009 (published 2008)
Etymology: Greek, borealis, "north."

Holotype: RTMP 2001.45.91

Locality: Dry Island, Buffalo Jump, Wheatland County, Alberta Province, Canada.

Horizon: Horseshoe Canyon Formation, Edmonton Group.

Biostratigraphy:

Age: Edmontonian age, lower Maastrichtian Stage, Upper Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Left ulna.

Referred material:

RTMP 2000.45.86: Manual claw.

RTMP 2000.45.98: Right tibia.

RTMP 2000.45.31: Proximal end of left tibia.

RTMP 2000.45.12, 2002.25.52: Right metatarsal III.

RTMP 2000.45.85: Proximal end of metatarsal II or IV.

RTMP 2000.45.61: Pedal phalanx II-1.

RTMP 2000.45.8: Pedal phalanx III-1.

RTMP 1999.50.110: Pedal phalanx III-3: Pedal phalax III-3.

RTMP 2003.45.51, 2000.45.97: Unidentified pedal phalanges.

RTMP 2001.45.91, left ulna: A) medial, B) ventral, C) dorsal, D) lateral, E) cranial and F) caudal views.

RTMP 2000.44.86, manual ungual I: A) left lateral; B) right lateral; C) dorsal; D) ventral; and E) posterior views.

RTMP 2000.45.98, right tibia; A) cranial and B) caudal views.

RTMP 2000.45.12, right metatarsal III: A) medial; B) dorsal; C) lateral; D) ventral and E) distal views.

Right pedal phalanx II-1: A) dorsal; B) ventral C) medial: D) lateral; E) distal and F) proximal views.

Right pedal phalanx III-1: A) dorsal; B) ventral C) medial: D) lateral; E) distal and F) proximal views.

Right pedal phalanx III-3: A) dorsal; B) ventral C) medial: D) lateral; E) distal and F) proximal views.

Proximal pedal phalanx IV-1: A) dorsal; B) ventral C) medial: D) lateral; E) distal and F) proximal views.

Albertonykus skeleton modified from LONGRICH & CURRIE, 2009 (published 2008),

 

Locality: About 10 meters below the bone bed, Buffalo Jump Province, Wheatland County, Alberta Province, Canada.

Horizon: Horseshoe Canyon Formation, Edmonton Group.

Biostratigraphy:

Age: Edmontonian age, lower Maastrichtian Stage, Upper Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

UALVP 48636: Pedal phalanx IV-1.

 

Locality: Across the Red Deer River, Buffalo Jump Province, Wheatland County, Alberta Province, Canada.

Horizon: Horseshoe Canyon Formation, Edmonton Group.

Biostratigraphy:

Age: Edmontonian age, lower Maastrichtian Stage, Upper Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

RTMP 2003.58.8: Pedal phalanx ?III-2.