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Fig. 117. Ophiacodon (Theromorpha). Pelvis. One half natural size. A, from the side; B, from above, pu, pubis; il, ilium; is, ischium.
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Fig. 117. Ophiacodon (Theromorpha). Pelvis. One half natural size. A, from the side; B, from above, pu, pubis; il, ilium; is, ischium.
144