Fig. 9

Cervical (C2–7) and thoracic (T1–5) vertebrae of Macrauchenia patachonica (PIMUZ A/V 5700). A1–3 Second cervical vertebra (C2) in anterior (A1), left lateral (A2), and ventral (A3) views. B1–3 Third cervical vertebra (C3) in anterior (B1), left lateral (B2; mirrored), and ventral (B3) views. C1–3 Fourth cervical vertebra (C4) in anterior (C1), left lateral (C2), and ventral (C3) views. D1–3 Fifth cervical vertebra (C5) in anterior (D1), left lateral (D2), and ventral (D3) views. E1–3 Sixth cervical vertebra (C6) in anterior (E1), left lateral (E2; mirrored), and ventral (E3) views. F1–3 Seventh cervical vertebra (C7) in anterior (F1), left lateral (F2), and ventral (F3) views. G1–3 First thoracic vertebra (T1) in anterior (G1), left lateral (G2; mirrored), and ventral (G3) views. H1–3 Second thoracic vertebra (T2) in anterior (H1), left lateral (H2), and ventral (H3) views. I1–3. Third thoracic vertebra (T3) in anterior (I1), left lateral (I2), and ventral (I3) views. J1–3. Fourth thoracic vertebra (T4) in anterior (J1), left lateral (J2), and ventral (J3) views. K1–3 Fifth thoracic vertebra (T5) in anterior (K1), left lateral (K2; mirrored), and ventral (K3) views. ant fov anterior costal fovea, dor dorsal, fov tran costal fovea of transverse process, nu can nutrient canal, odon proc odontoid process, postzyg postzygapophysis, pos fov posterior costal fovea, prezyg prezygapophysis, spin proc spinous process, tr for transverse foramen, tr proc transverse process, tub small posterior transverse process tubercle, vent ventral