Species: olecranus (PERLE, NORELL, CHIAPPE & CLARK, 1993a) PERLE, NORELL, CHIAPPE & CLARK, 1993b
= Mononychus olecranus PERLE, NORELL, CHIAPPE & CLARK, 1993a
Etymology: Greek, olekranon, "elbow head."

Holotype: Mongolian Geological Institute (MGI) 107/6

Locality: Bügin Tsav, Ömnögov, South Gobi Aimak, Mongolia.

Horizon: Nemegt Formation.

Biostratigraphy:

Age: Lower Maastrichtian Stage, Uppermost Senonian, Uppermost Gulf Epoch, Late Cretaceous.

Material: Fragmentary skull preserving the braincase, a portion of the right maxilla and a tooth, 8 cervical and 8 dorsal vertebrae, the first, part of the second, and the last synsacral vertebrae, and 1 proximal caudal vertebra. Both forelimbs, and sternum, 3 proximal ends of the ribs, the acetabular portion of the left ilium, and both proximal portions of the pubes, both femora, left and partial right tibiotarsi, proximal end of right fibula, proximal and distal portions of left metatarsals II-IV, phalanges of left digits II-IV, left metatarsal I and phalanges, distal portion of right metatarsals II and IV, and several phalanges of the right foot.

Referred material:

AZUMA, 2005

FPDM-V7222: Cast of skeleton.

WATABE, SUZUKI, TSOGTBAATAR, TSUBAMOTO & SANEYOSHI, 2010, MATSUMOTO, HASIHIMOTO, SONODA, FUJIYAMA, MIFUNE, KAWAHARA & SANEYOSHI, 2010

Field number 060813 Bgt KHTB, Mono (Jacket no M-3) (HMNS 2006-04-013): Vetrbra and pelvis (?).

 

FASTOVSKY, BADAMGARAV, ISHIMOTO, WATABE & WEISHAMPEL, 1994

Locality: Tögrögiin Shiree (= Tugrugeen Shireh, Tugrikin-Shireh locality), Ömnögov (South Gobi), Mongolia.

Horizon: Djadochta Formation.

Biostratigraphy:

Age: Middle Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

Number: Not given: