Genus: Avimimus KURZANOV, 1981
Etymology: Latin, avis, “bird”, and Greek, mimus, “mimic”, Bird mimic.

Species: portentosus KURZANOV, 1981
Etymology: Latin, portentosus, "unusual."

Holotype: PIN 3907/1

Locality: Üüden Sair (Ulaan Sair, Udan Sayr), Ömnögov, Mongolia.

Horizon: Djadochta Formation (Dzhadokhtinskaya Formation).

Biostratigraphy:

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

Material: Fragment of skull and fragmentary skeleton.

Paratype:

PIN 3907/2: Fragmentary pubis and ischium.

PIN 3907-3: Partial skeleton including neurocranium and vertebrae.

PIN 3907-4: Partial axial skeleton.

PIN 3907-5: Pelvis.

Referred material:

TSUIHIJI, WITMER, WATABE, BARSBOLD, TSOGTBAATAR, SUZUKI & KHATANBATAR, 2017

MPC-D 100/120: Nearly complete and articualted skeleton.

 

Locality: West Sayr, Nemegt basin, Ömnögov (South Gobi), Mongolia.

Horizon: Nemegt Formation.

Biostratigraphy:

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

Material:

Specimen # PJC2007.111: Tibia.

 

KURZANOV & BANNIKOV, 1983

Locality: Shara-Tsav, Ömnögov, eastern South Gobi., Mongolia.

Horizon: Barun Goyot Formation.

Biostratigraphy:

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

Material:

Number: Not given: A substantial part of a skeleton.

Note: Found with Quaesitosaurus.

MATSUMOTO, HASIHIMOTO, SONODA, FUJIYAMA, MIFUNE, KAWAHARA & SANEYOSHI, 2010

Field number 960822 ShT SZK/960822 ShT SZK 1/5: Fragmentary skeleton.

Field number: 040804 ShT-W (HMNS 2004-11-007): Fragmentary skeleton.

WATABE, WEISHAMPEL, BARSBOLD & TSOGTBAATAR, 2000, WATABE & SUZUKI, 2000c

Hayashibara Museum of Natural Science, Japan, Field number 960822 ShT ENK: Fragmentary skull and fragmentary skeleton.

Field number 960822 ShT SZK: Pelvis and posterior limb bones.

SUZUKI, WATABE & TSOGTBAATAR, 2010

Field number: 040804 ShT-W SZK (jacket JM-014) (HMNS 2004-11-006): Fragmentary skeleton.

Field number: 040804 ShT-W Tsui (jacket JM-015): Fragmentary skeleton.

TSOGTBAATAR & CHINZORIG, 2010

Field number: 010720 SHT-West Avimimus Ichin: Right femur.

 

JERZYKIEWICZ & RUSSELL, 1991

Locality: Mongolia.

Horizon: Djadochta Formation.

Biostratigraphy:

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

Material:

Number: Not given:

 

CURRIE & EBERTH, 1993

Locality: Iren Dabasu, near Erenhot, Inner Mongolia (Nei Mongolia), China.

Horizon: Iren Dabasu Formation.

Biostratigraphy:

Age: Cenomanian Stage, Upper Gallic Subepoch, Lowermost Gulf Epoch, Middle Cretaceous.

Material:

Number: Not given:

AMNH:

DONG, 1992

Number: Not given: Fused tarsometarasus.

RYAN & CURRIE, 2002

Number: Not given: A bird-like scapulocoracoid and an isolated frontal as well as other remains.

 

SANEYOSHI, WATABE, TSUBAMOTO, TSOGTBAATAR, CHINZORIG & SUZUKI, 2010

Locality: Yagaan Khovil, Ömnögov (South Gobi), Mongolia.

Horizon: Nemegt Formation.

Biostratigraphy:

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

Material:

Field number: 070624 YK SZK: Skull and skeleton.

Field number: 070628 YK ORKH: Tibia.

MATSUMOTO, HASIHIMOTO, SONODA, FUJIYAMA, MIFUNE, KAWAHARA & SANEYOSHI, 2010

Field number 000810 YK WTB A-IV: Fragment.

 

WATABE, SUZUKI, TSOGTBAATAR, TSUBAMOTO & SANEYOSHI, 2010

Locality: Bugin Tsav, Ömnögov (South Gobi), Mongolia.

Horizon: Nemegt Formation.

Biostratigraphy:

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

Material:

Jacket no M-4-10: SKull and skeleton.

MATSUMOTO, HASIHIMOTO, SONODA, FUJIYAMA, MIFUNE, KAWAHARA & SANEYOSHI, 2010

Field number 06816 Bgt KHTB Avi (HMNS 2006-04-004): Femur.

Field number 06816 Bgt KHTB Avi (HMNS 2006-04-005): Metatarsal.

Field number 06816 Bgt KHTB Avi (HMNS 2006-04-006): Fragments.

Field number 06816 Bgt KHTB Avi (HMNS 2006-04-007): Skull.

Field number 06816 Bgt KHTB Avi (HMNS 2006-04-008): Sternal, cervical vertebrae, rib and scapula.

Field number 06816 Bgt KHTB Avi (HMNS 2006-04-009): Sacrum, ilium, pubis and caudal vertebrae.

TSUIHIJI, WITMER, WATABE, BARSBOLD, TSOGTBAATAR, SUZUKI & KHATANBATAR, 2017

MPC-D 100/125: Assiocated, partially articulated skeleton.

_____________________________________________________________________________________

Species: nemegtensis FUNSTON, MENDOCA, CURRIE & BARSBOLD, 2017
Etymology: Latin, avis, “bird”, and Greek, mimus, “mimic”, Bird mimic.

holotype: MPC-D102/81/specimen (# PJC2007.102)

Locality: Avimimus bonebed, Nemegt, Nemegt basin, Ömnögov (South Gobi), Mongolia.

Horizon: Nemegt Formation.

Biostratigraphy:

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

Material: Partial skull.

Referred material:

FUNSTON, CURRIE, EBERTH, RYAN, CHINZORIG, BADAMGARAV, & LONGRICH, 2016

Specimen # PJC2006.004: Pedal phalanx.

Specimen # PJC2006.005: Pedal phalanx.

Specimen # PJC 2006.011: Phalanx.

Specimen # PJC2006.017: Vertebra.

Specimen # PJC2006.018: Phalanx plus?

Specimen # PJC2006.022: Rib head.

Specimen # PJC2006.023: Rib.

Specimen # PJC2006.038: Right femur distal +?

Specimen # PJC2006.039: Proximal end of right femur.

Specimen # PJC2006.40: Distal end of ight femur.

Specimen # PJC2006.41: DIstal end of left femur.

Specimen # PJC2006.42: Pedal phalanx IV-1.

Specimen # PJC2006.43: Pedal phalanx.

Specimen # PJC2006.44: Cervical vertebra.

Specimen # PJC2006.45: Vertebra.

Specimen # PJC2006.48: Phalanx.

Specimen # PJC2006.050: Phalanx.

Specimen # PJC2006.051: Fibula shaft.

Specimen # PJC2006.81: Radius?

Specimen # PJC2006.82: Pedal phalanx.

Specimen # PJC2006.83: Distal end of left femur.

Specimen # PJC2006.85: Head of femur.

Specimen # PJC2006.86: Proximal right tiba.

Specimen # PJC2006.89: ?Radius.

Specimen # PJC2006.90: Pedal ungual.

Specimen # PJC2006.91: Pedal phalanx.

Specimen # PJC2006.92: Tarsal.

Specimen # PJC2006.93: Rib.

Specimen # PJC2006.106: Ungual.

Specimen # PJC2006.107: Rib.

Specimen # PJC2006.108: Distal end metatarsal.

Specimen # PJC2006.109: Pedal phalanx.

Specimen # PJC2006.110: Pedal phalanx.

Specimen # PJC2006.111: Phalanx disal end.

Specimen # PJC2006.112: Vertebra.

Specimen # PJC2006.119: Fibula.

Specimen # PJC2006.120: Phalanx.

Specimen # PJC2006.123: Rib.

Specimen # PJC2006.124: Rib head.

Specimen # PJC2006.130: Ischium.

Specimen # PJC2006.131: Ilium in three pieces.

Specimen # PJC2006.166: Fibula.

Specimen # PJC2006.167: Fibula.

Specimen # PJC2006.169: Forelimb.

MPC-D 102/15/specimen # PJC2006.001: Right tibia proximal end and shaft.

MPC-D 102/101/spcimen # PJC2006.002: Cervical vertebra.

MPC-D 102/16/specimen # PJC2006.003): Dentaries.

MPC-D102/17/specimen # PJC2006.006: Right astragalus and tibia distal end.

MPC-D102/18/specimen # PJC2006.007: Right astragalus and tibia distal end.

MPC-D102/19/specimen # PJC2006.008: Right astagalus and tibia distal end.

MPC-D102/20/specimen # PJC2006.009: Right astragalus and tibi distal end.

MPC-D102/21/specimen # PJC2006.010: Metatarsals shafts II and IV.

MPC-D102/22/specimen # PJC2006.012: Left astagalus and distal tibia.

MPC-D102/23/specimen # PJC2006.013: Left astragalus and distal tibia.

MPC-D102/24/specimen # PJC2006.014: Left astragalus and distal tibia.

MPC-D102/25/specimen # PJC2006.015: Left astragalus and distal tibia.

MPC-D102/26/specimen # PJC2006.016: Right tibia, fibula, astragalus, and calcaneum.

MPC-D102/27/specimen # PJC2006.024: Femur left distal end tibia, left proximal end.

MPC-D102/28/specimen # PJC2006.025: Right proximal tarsometatarsus.

MPC-D102/29/specimen # PJC2006.026: Left proximal tarsometatarsus.

MCP-D102/30/specimen # PJC2006.027: Right proximal tarsometatarsus.

MCP-D102/31/specimen # PJC2006.028: Left proximal tarsometatarsus.

MCP-D102/32/specimen # PJC2006.029: Skull fragment?

MCP-D102/33/specimen # PJC2006.044: Cervical vertebra.

MCP -D102/34/specimen # PJC2006.059: Partial skull.

MCP-D102/35/specimen # PJC2006.104: Metatarsal II.

MCP-D102/36/specimen # PJC2006.105: Femur, and left complete.

MCP-D102/37/specimen # PJC2006.113: Right metatarsal.

MCP-D102/38/specimen # PJC2006.114: Incomplete left tibia.

MCP-D102/39/specimen # PJC2006.115: Right metatarasl II.

MCP-D102/40/specimen # PJC2006.116: Left metatarsal IV.

MCP-D102/41/specimen # PJC2006.117: Right metaarsal IV.

MCP-D102/42/specimen # PJC2006.118: Tibia and fragments in a small plastic bag.

MCP-D102/43/specimen # PJC2006.122: Metatarsal.

MCP-D102/44/specimen # PJC2006.125: Tibia head.

MCP-D102/45/specimen # PJC2006.126: Metatarsal III.

MCP-D102/46/specimen # PJC2006.127: Tarsometarsus proximal end left.

MCP-D102/47/specimen # PJC2006.128: Distal end of tibia and right astragalus.

MCP-D102/48/specimen # PJC2006.129: Metatarsal.

MCP-D102/49/specimen # PJC2006.165: Pubis.

MCP-D102/50/specimen # PJC2006.170: Pubic booth.

MCP-D102/51/specimen # PJC2006.171: Partial right tibia.

MCP-D102/52/specimen # PJC2006.172: Distal end of right tibia.

MCP-D102/53/specimen # PCJ2006.176: Proximal end of tibia.

MCP-D102/54/specimen # PJC2006.177: Proximal end of a tarsometatars.

MCP-D102/55/specimen # PJC2006.178: Proximal end of humerus.

MCP-D102/56/specimen # PJC2006.30: Right proximal tarsomeatarsus.

MCP-D102/57/specimen # PJC2006.31: Right proximal tarsometarsus???

MCP-D102/58/specimen # PJC2006.32: Right proximal tarsometatrsus fragment.

MCP-D102/59/specimen # PJC2006.33: Right proximal tarsometatarsus.

MCP-D102/60/specimen # PJC2006.34: Shaft of metatarsal III.

MCP-D102/61/specimen # PJC2006.35: Distal end of metatrsal III.

MCP-D102/62/specimen # PJC2006.36: Proximal end of right tibia.

MCP-D102/63/specimen # PJC2006.37: Proximal end of right tibia.

MCP-D102/64/specimen # PJC2006.46: Nasals.

MCP-D102/65/specimen # PJC2006.47: Distal end right? astragalus and tibia.

MCP-D102/71/specimen # PJC2006.84: Metatarsal III.

MCP-D102/72/specimen # PJC2006.87: Proximal right tibia.

MCP-D102/73/specimen # PJC2006.88: Pubis shaft.

MCP-D102/74/specimen # PJC2006.94: Tibia plus frragments in a small plastic bad.

MCP-D102/75/specimen # PJC2006.95: Proximal end of metatarsal.

MCP-D102/76/specimen # PJC2006.96: Metatarsal II and IV.

MCP-D102/77/specimen # PJC2006.97: Metatarsal.

MCP-D1-2/78/specimen # PJC2006.98: Metatarsal.

MCP-D102/79/specimen # PJC2006.99: Distal end of metatarsal IV.

MCP-D102/103/specimen # PJC2006.164: Cervical vertebra.

MPC-D102/104/specimen # PJC2006.168: Cervical neural arch.

Specimen # PJC2007.61: Phalanx.

Specimen # PJC2007.62: Rib.

Specimen # PJC2007.63: Centrum.

Specimen # PJC2007.64: Caudal vertebra.

Specimen # PJC2007.68:Limelement fragments.

Specimen # PJC2007.90: Fibula.

Specimen # PJC2007.92: Femur.

Specimen # PJC2007.100: Fibula.

Specimen # PJC2007.101: Fibula.

Specimen # PJC2007.103: Pedal ungual.

Specimen # PJC2007.109: Vertebral fragments, not necessarily form same vertebra.

Specimen # PJC2007.116: Fibula.

MPC-D102/82/specimen # PJC2007.108: Pedal ungual.

MPC-D102/83/specimen # PJC2007.112: Right tibia.

MPC-D102/84/specimen # PJC2007.115: Tibia.

MPC-D102/85/specimen # PJC2007.65: Metatarsal.

MPC-D102/86/specimen # PJC2007.66: 2 metatarsals.

MPC-D102/87/specimen # PJC2007.67: Metatarsal.

MCP-D102/88/specimen # PJC2007.69: Metatarsal.

MPC-D102/89/specimen # PJC2007.70: Metatarsal.

MPC-D102/90/specimen # PJC2007.71: Tibia.

MPC-D102/91/specimen # PJC2007.72: Metatarsal III.

MPC-D102/92/specimen # PJC2007.73: Tibia plus fibula, astragalus, and calcaneum.

MPC-D102/03/specimen # PJC2007.74: Metatarsal.

MPC-D102/94/specimen # PJC2007.86: Right tibia.

MPC-D102/95/specimen # PJC2007.87: Metatarsal.

MPC-D102/96/specimen # PJC2007.89: Fused metatarsals 2 and 4.

MPC-D102/97/specimen # PJC2007.93: Metatarsal.

MPC-D102/98/specimen # PJC2007.98: Metatarsal.

MPC-D102/99/specimen # PJC2007.99: MEtatarsal.

MPC-D102/105/specimen # PJC2007.88: Tibia.

MPC-D102/106/specimen # PJC2007.117: Metatarsal.

KURZANOV, 1983

3907/2: Fragmentary ilium, pubes and fragmentary ischium.

3907/4: Fragmentary skeleton.

3907/5: Fragmentary ilium, fragmentary pubes, and fragmentary ischium.

3907/6: Fragmentary vertebrae.

PEN AN SSR 3906/1: Fragmentary ilium and ischium.

KURZANOV, 1985

PIN 3907/3: Fragmentary skull, two fragments; an anterior portion including the premaxillary and dentary bones, and a posterior fragment beginning at the anterior margin of the orbits, and a fragmentary skeleton.