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. 2015 Oct 20;3:e1323. doi: 10.7717/peerj.1323

Figure 22. NHMUK PV R 36637, posterior mid-cervical vertebra of an indeterminate spinosaur.

Figure 22

(A) posterior view; (B) anterior view; (C) ventral view; (D) dorsal view; (E) right lateral view; (F) left lateral view. Abbreviations: apc, anterior pneumatic chamber of the transverse process; cdpf, centrodiapophyseal fossa; cpf, central pneumatic foramen; k, keel, pp, parapophysis, ppc, posterior pneumatic chamber of the transverse process. Note that specimen is slightly dorsoventrally compressed. Scale bar equals 10 cm.