TABLE 2 in Geometric morphometric assessment of Guanshan trilobites (Yunnan Province, China) reveals a limited diversity of palaeolenid taxa

TABLE 2. Locations of cephalic landmarks for analyzed specimens. LandmarkDescription1Intersection of anterior border with sagittal line2Intersection of border furrow with sagittal line3Intersection of anterior margin of frontal lobe with sagittal line4Intersection of anterior margin of occipital ring with sagittal line5Intersection of posterior margin of occipital ring with sagittal line6Intersection of axial glabellar furrow and posterior margin7Anterior border of palpebral lobe8Posterior border of palpebral lobe