Corynexochida

Chiawangella pacifica

Order Corynexochida / Suborder Leiostegiina / Superfamily Leiostegioidea / Family Leiostegiidae

Guzhangian (Miaolingian, Cambrian)Liaoning

Chiawangella pacifica — photo 1 — Photo 1 · Sketch of the type specimen (Liaoning; Walcott 1911) Photographs of the type specimen (Liaoning; Peng 2020)

Chiawangella pacifica — photo 2 — Photo 2 · Sketch of the type specimen (Liaoning; Walcott 1911) Photographs of the type specimen (Liaoning; Peng 2020)

Classification

Order Corynexochida / Suborder Leiostegiina / Superfamily Leiostegioidea / Family Leiostegiidae

Genus

Chiawangella Chu, 1959

Genus author

Zhu Zhaoling

Genus etymology

Chiawang, the type locality in the Jiawang coalfield of Jiangsu; -ella, a diminutive adjectival suffix

Species

C. pacifica (Walcott, 1911)

Species author

Walcott C. D.

Species etymology

pacifica, of the Pacific

Age

Guzhangian (Miaolingian, Cambrian)

Distribution

Liaoning

Synonyms

Albertella pacifica

Diagnosis

Only pygidia have been published to date. Pygidium surface finely punctate; axis large, inverted-conical, rounded and strongly convex posteriorly, divided into four axial rings and a terminal piece; dorsal furrow deep; pleural narrow, extending into a pair of large, long lateral spines; posterior border narrow, arched backward in a curve, bearing a pair of short oblique spines at the sides.