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Spinophorosaurus nigerensis neck ostelogical range of motion.

A—Dorso-ventral osteological range of motion of the subadult Spinophorosaurus in lateral view. B—Dorso-ventral osteological range of motion of the juvenile Spinophorosaurus in lateral view. C—DV1-CV12 joint of the subadult Spinophorosaurus in maximum dorsiflexion (Max-DF) in lateral view. D—CV12 of the subadult Spinophorosaurus in lateral view showing how much of the postzygapophysis overlaps with the prezygapophysis of DV1 in maximum dorsiflexion (in red, zygapophyseal overlap, in gray non overlapped area of the facet). E—DV1-CV12 joint of the juvenile Spinophorosaurus in maximum dorsiflexion (Max-DF) in lateral view. F—CV12 of the juvenile Spinophorosaurus in lateral view showing how much of the postzygapophysis overlaps with the prezygapophysis of DV1 in maximum dorsiflexion (in red, zygapophyseal overlap, in gray non overlapped area of the facet). G—Lateral osteological range of motion of the subadult Spinophorosaurus in dorsal view. H—Lateral osteological range of motion of the juvenile Spinophorosaurus in dorsal view. I -D1-CV12 joint of the subadult Spinophorosaurus in maximum lateral flexion (III) in dorsal view (dots indicate estimated region of the prezygapophyseal facet). J—DV1 of the subadult Spinophorosaurus in dorsal view showing how much of the prezygapophysis overlaps with the postzygapophysis of CV12 in maximum dorsiflexion (in red, zygapophyseal overlap, in gray non overlapped area of the facet, dots indicate estimated region of the prezygapophyseal facet). K- DV1-CV12 joint of the juvenile Spinophorosaurus in maximum lateral flexion (III) in dorsal view. L—DV1 of the juvenile Spinophorosaurus in dorsal view showing how much of the prezygapophysis overlaps with the postzygapophysis of CV12 in maximum dorsiflexion (in red, zygapophyseal overlap, in gray non overlapped area of the facet). Max-DF = maximum dorsiflexion. ONP = osteologically neutral pose. Max-VF = maximum ventriflexion. I = lateral flexion attained when maintaining one zygapophyseal pair in full articulation and deflecting the other pair anteriorly. III = maximum lateral flexion. Red bones = main specimen. White bones = extrapolated elements (see methods). Green Bones = vertebrae modeled after the closest complete element.
Date
Source https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0227537
Author Daniel Vidal, Pedro Mocho, Adrián Páramo, José Luis Sanz, Francisco Ortega

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Date/TimeThumbnailDimensionsUserComment
current19:39, 13 January 2020Thumbnail for version as of 19:39, 13 January 20202,163 × 1,573 (2.11 MB)FunkMonk{{Information |description=Spinophorosaurus nigerensis neck ostelogical range of motion. A—Dorso-ventral osteological range of motion of the subadult Spinophorosaurus in lateral view. B—Dorso-ventral osteological range of motion of the juvenile Spinophorosaurus in lateral view. C—DV1-CV12 joint of the subadult Spinophorosaurus in maximum dorsiflexion (Max-DF) in lateral view. D—CV12 of the subadult Spinophorosaurus in lateral view showing how much of the postzygapophysis overlaps with the pr...

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