Corynexochida
Pengjinia pengjinae
Order Corynexochida / Suborder Corynexochina / Family Oryctocephalidae / Family Oryctocephalinae
Cambrian, Series 2, Stage 4Hunan, Guizhou
Classification
Order Corynexochida / Suborder Corynexochina / Family Oryctocephalidae / Family Oryctocephalinae
Genus
Pengjinia Wang, MS., 2023 (manuscript)
Genus author
Wang Yifan (Ph. D. Thesis)
Genus etymology
Pengjin — commemorating the late Professor Peng Jin of Guizhou University, for nearly 20 years of research
Species
P. pengjinae Wang, MS., 2023 (manuscript)
Species author
Wang Yifan (Ph. D. Thesis)
Species etymology
Same as the genus name
Age
Cambrian, Series 2, Stage 4
Distribution
Hunan, Guizhou
Diagnosis
Dorsal shield nearly elongate-elliptical. Cephalon semicircular; border broad, border furrow shallow, outer border thread-like; glabella with sides nearly parallel or the frontal lobe slightly expanded, four pairs of pit-like glabellar furrows not Connected to the dorsal furrow; Occipital ring short, occipital furrow deep; Posterior border broad, posterior limb large; Eye large; Ocular area of fixed cheek of moderate width; Proparian facial suture; Free cheek narrow. Thorax of 12 segments; Axial rings narrow Than the pleural segments; Pleural segments nearly straight, pleural furrow moderate, pleural spines broad; With articulating facets. Pygidium small, nearly fan-shaped; Pygidial axis of three rings plus a terminal segment, pleural and interpleural furrows distinct, border developed.
Remarks
This species is the type species of Pengjinia.