Genus: Ajancingenia EASTER, 2013
Etymology: Mongolian, ajanc, "traveler"+ Ingenia; derived from the Ingen Khoboor
Depression, Bayankhongor Province, Mongolia, with reference to the enlarged "thumb"
on the manus (reminsicent of the "thumbs up" hichhiking gesutre).
= Ingenia BARSBOLD, 1981 non GERLACH, 1957
Etymology: For Ingel, Mongolia, near where the fossil was found.
Species: yanshini (BARSBOLD, 1981) EASTER, 2013
Etymology: In honor of Aleksandr Leonidovich Yanshin (1911-1999), who was adviser and mentor to Barbsold during his time at the Paleontological Institute in St. Petersburg, Russia.
= Ingenia yanshini BARSBOLD, 1981
Holotype: MPC-D (old GI SPS No.) 100/30
Locality: Hermiin Tsav (Khermeen Tsav), western Ömnögov (South Gobi), Mongolia.
Horizon: Red Beds.
Biostratigraphy:
Age: Middle Campanian-Early Maastrichtian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.
Material: Fragmentary skull, and fragmentary skeleton.
Note: Has furcula.
Ingenia yanshini (from a photo from a guidebook), Holotype: GI SPS No. 100/30.
Paratypes:
MPC-D (old PST GIN AN MNR) 100/31: Frontal fragment, parietals, mandible, postcrania including eight sacral vertebrae, radius, metacarpal I, phalanx I-1, manual ungual I, metacarpal II, phalanx II-1, manual ungual, metacarpal III, phalanx III-1, ilium, ischium, femur, tibia, fibula, phalanx III-3, phalanx IV-2, phalanx IV-3, phalanx IV-4, and pedal ungual IV.
MPC-D (old PST GIN AN MNR) 100/32: Mandible, postcrania including cervical vertebrae, 37 caudal vertebrae, partial scapula, humerus, radius, ulna, semiulnate carpal, phalanx I-1, manual ungual I, metacarpal II, phalanx II-1, phalanx II-2, manual ungual II, metacarpal III, phalanx III-1, ilium, femur, tibia, metatarsus, phalanx III-3, phalanx IV-2, phalanx IV-3, phalanx IV-4, and pedal ungual IV.
MPC-D (old GI SPS No.) 100/33: Sacrum, 19 caudal vertebrae, scapula, sternal plates, furcula, humerus, radius, ulna, metacarpal I, phalanx I-1, manual ungual I, metacarpal II, phalanx II-1, phalanx II-2, manual ungual II, partial metacarpal III, ilium, pubis, ischium, femur, tibia, fibula, phalanx III-3, phalanx IV-2, phalanx IV-3, phalanx IV-4, and pedal ungual IV.
Referred material:
AZUMA, 2005
FDPM-V6240: Skull and skeleton.
MARYANYSKA, OSMOLSKA & WOLSAN, 2002
MPC-D100/34, 35: Fragmentary specimens.
FANTI, CURRIE & BADAMGARAV, 2012
MPC-D100/36, MPC-D110/02, MPC-D110/03: Fragmentary specimen.