Redlichiida

Chengjiangaspis chengjiangensis

Order Redlichiida / Suborder Redlichiina / Superfamily Redlichioidea / Family Redlichiidae

Cambrian, Series 2, Stage 3Yunnan
Chengjiangaspis chengjiangensis — photo 1
Photo 1 · Huanling Huanling NIGP37792 Figured specimen (Yunnan; Zhang (Yunnan; upper: Zhang Wentang et al., 1980; Complete dorsal shield lower: Zhu Yuyan et al., 2024) (Yunnan; He Ming) Wentang et al., 1980) Complete dorsal shield (Yunnan; Complete Pengcheng Jianke) dorsal shield (Yunnan; Xiaozhuang)
Chengjiangaspis chengjiangensis — photo 2
Photo 2 · Huanling Huanling NIGP37792 Figured specimen (Yunnan; Zhang (Yunnan; upper: Zhang Wentang et al., 1980; Complete dorsal shield lower: Zhu Yuyan et al., 2024) (Yunnan; He Ming) Wentang et al., 1980) Complete dorsal shield (Yunnan; Complete Pengcheng Jianke) dorsal shield (Yunnan; Xiaozhuang)
Chengjiangaspis chengjiangensis — photo 3
Photo 3 · Huanling Huanling NIGP37792 Figured specimen (Yunnan; Zhang (Yunnan; upper: Zhang Wentang et al., 1980; Complete dorsal shield lower: Zhu Yuyan et al., 2024) (Yunnan; He Ming) Wentang et al., 1980) Complete dorsal shield (Yunnan; Complete Pengcheng Jianke) dorsal shield (Yunnan; Xiaozhuang)
Chengjiangaspis chengjiangensis — photo 4
Photo 4 · Huanling Huanling NIGP37792 Figured specimen (Yunnan; Zhang (Yunnan; upper: Zhang Wentang et al., 1980; Complete dorsal shield lower: Zhu Yuyan et al., 2024) (Yunnan; He Ming) Wentang et al., 1980) Complete dorsal shield (Yunnan; Complete Pengcheng Jianke) dorsal shield (Yunnan; Xiaozhuang)
Chengjiangaspis chengjiangensis — photo 5
Photo 5 · Huanling Huanling NIGP37792 Figured specimen (Yunnan; Zhang (Yunnan; upper: Zhang Wentang et al., 1980; Complete dorsal shield lower: Zhu Yuyan et al., 2024) (Yunnan; He Ming) Wentang et al., 1980) Complete dorsal shield (Yunnan; Complete Pengcheng Jianke) dorsal shield (Yunnan; Xiaozhuang)
Chengjiangaspis chengjiangensis — photo 6
Photo 6 · Huanling Huanling NIGP37792 Figured specimen (Yunnan; Zhang (Yunnan; upper: Zhang Wentang et al., 1980; Complete dorsal shield lower: Zhu Yuyan et al., 2024) (Yunnan; He Ming) Wentang et al., 1980) Complete dorsal shield (Yunnan; Complete Pengcheng Jianke) dorsal shield (Yunnan; Xiaozhuang)
Chengjiangaspis chengjiangensis — photo 7
Photo 7 · Huanling Huanling NIGP37792 Figured specimen (Yunnan; Zhang (Yunnan; upper: Zhang Wentang et al., 1980; Complete dorsal shield lower: Zhu Yuyan et al., 2024) (Yunnan; He Ming) Wentang et al., 1980) Complete dorsal shield (Yunnan; Complete Pengcheng Jianke) dorsal shield (Yunnan; Xiaozhuang)
Classification
Order Redlichiida / Suborder Redlichiina / Superfamily Redlichioidea / Family Redlichiidae
Genus
Chengjiangaspis Zhang & Lin in Zhang et al., 1980
Genus author
Zhang Wentang, Lin
Genus etymology
Chengjiang;aspis, shield
Species
C. chengjiangensis Zhang & Lin in Zhang et al., 1980
Species author
Zhang Wentang, Lin
Species etymology
Chengjiang
Age
Cambrian, Series 2, Stage 3
Distribution
Yunnan
Diagnosis
Dorsal shield elongate-oval. Cranidium sub-trapezoidal; glabella truncate-conical; three pairs of glabellar furrows, S1 deep and strongly directed backward, not connected medially; occipital furrow broad and deep; occipital ring broad medially and narrow laterally, Without occipital node; Ocular area of fixed cheek broad; Eye ridge long and stout; Palpebral lobe slightly shorter than eye ridge, posterior end far from the glabella; Free cheek narrow, genal spines short. Thorax of 16 segments; Axis and pleural region subequal in width; pleural furrows broad and deep, pleural spines short. Pygidium small; axis with two rings plus a terminal piece.