Probactrosaurus gobiensis, Rozhdestvensky, 1966

Norman, David B., 2002, On Asian ornithopods (Dinosauria: Ornithischia). 4. Probactrosaurus Rozhdestvensky, 1966, Zoological Journal of the Linnean Society 136 (1), pp. 113-144 : 116

PROBACTROSAURUS GOBIENSIS

PIN 2232/1 (mounted partial skeleton, quadrupedal pose). Cranial: partial skull roof, premaxilla (r – PIN 2232/1-2), jugal (l – PIN 2232/1-1a), surangular (r – 2232/1-4). Axial: 7 poorly preserved cervical vertebrae, 6 dorsals, 4 sacrals, 22 caudals. Appendicular: scapulae (r & l), coracoid (l), humerus (r & part l), ulna (r & l), radius (r), metacarpals II? III? IV, V? Femur (l), tibia (l), fibula (l & r), metatarsals (left II− IV).

PIN 2232/2-1 − neurocranial fragment; 2-2 – dentary (l – part); 2-5 – coracoid; 2-8 – humerus; 2-9 − metacarpal.

PIN 2232/3-1− metacarpal

PIN 2232/9-2 – maxilla (partial left)

PIN 2232/10 (mounted partial skeleton, bipedal pose). Cranial: right dentary, partial skull roof, maxilla (PIN 2232/10-2). Axial: 6 cervicals, 18 dorsals, 7 sacrals, 24 caudals. Appendicular: scapula (l & r), coracoid (r), sternal (l), humerus (l & r), radius (l & r), ulna (l & r), manus – all restored in plaster. Ilium (l & r), ischium (l & r), pubis (acetabular fragments) (l & r), femur (l & r), tibia (l & r), fibula (l & r), metatarsals (II− IV, l & r), phalanges (left pes: IIi, IIiii; IVi− iv; right pes: Ii− iii; IIIi− iv; IVi− v); PIN 2232/10- 69 – manus phalanx?Vii or Viii.

PIN 2232/11-2 − manus phalanx IIIiii; 11-4 – pollex ungual; 11-5 – ungual manus II

PIN 2232/17-1 – skull roof

PIN 2232/18-1 – left dentary (part); 18-5 – metacarpal III; 18-6 – metacarpal; 18-8 – phalanx manus IIi; 18- 9 – large femur (r)

PIN 2232/19-1 – ilium (l) complete

PIN 2232/21-1 – humerus

PIN 2232/23-1 – predentary; 23-2 – two isolated dentary teeth with roots; 23-3 – quadrate; PIN 2232/23- 56 – pubis

PIN 2232/24-1 – worn dentary tooth

PIN 2232/27-3 – scapula

PIN 2232/29-2 – ischium (r) complete

PIN 2232/32-1 – tibia (l)

PIN 2232/36-1 – skull roof; 36-2 – dentary; 36-3 – dentary

PIN 2232/37-7 – ilium (? label: P. alashanicus )

PIN 2232/39-1 – femur (l)

PIN 2232/3? – left dentary with teeth

Field no: 12017 (PIN 2232/2-) – metacarpals, ilium (left)

Field no. 12068 – metacarpal II.