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Keywords from Image Description:
PZSLPlate. Lytoloma crassicostatum Eochelys crassicostata Owen Owen en Fossil sea turtle from the Lower Eocene of Harwich England humerus from dorsal above and skull from behind below basioccpital exoccipital foramen magnum gn insertion site of geniohyoid and genioglossal muscle aperture of labyrinth Ops opisthotic pt posterior