Asaphida

Hedinaspis shengi

Order Asaphida / Superfamily Asaphoidea / Family Ceratopygidae

Stage 10 (Furongian, Cambrian)Zhejiang, Guizhou

Hedinaspis shengi — photo 1 — Photo 1 · aspis, Greek, shield. Holotype NIGP 23728, reversed image of the external mould (Zhejiang; Peng 2020)

Classification

Order Asaphida / Superfamily Asaphoidea / Family Ceratopygidae

Genus

Hedinaspis Troedsson, 1951

Genus author

Troedsson G. T.

Genus etymology

Hedin, a surname, in honour of the famous Swedish explorer Sven Hedin, an early researcher of Xinjiang;

Species

H. shengi Lu, 1964

Species author

Lu Yanhao

Species etymology

Sheng, a surname, possibly in honour of the palaeontologist Sheng Xinfu

Age

Stage 10 (Furongian, Cambrian)

Distribution

Zhejiang, Guizhou

Diagnosis

Dorsal shield slender and long. Glabella long and narrow, subcylindrical, slightly wider posteriorly with rounded front, small lateral lobes at the base, 4 pairs of glabellar furrows with S1 bifurcate; occipital and glabellar furrows all not reaching the dorsal furrows; eye ridges oblique; anterior border narrow, ridge-like and concave; librigenae wide with slender long genal spines. Thoracic axis narrow, less than half the pleural region.