Asaphida

Niobides chekiangensis

Order Asaphida / Superfamily Asaphoidea / Family Asaphidae

Tremadocian (Early Ordovician)Zhejiang
Niobides chekiangensis — photo 1
Photo 1 · Figures of the originally published syntypes (Zhejiang; Re-published figures of part of the type material (Zhejiang; Lu Sheng Xinfu 1934) Yanhao et al. 1965) Complete dorsal exoskeleton Complete dorsal exoskeleton (Zhejiang; Stam Lee) (Zhejiang; Baishui)
Niobides chekiangensis — photo 2
Photo 2 · Figures of the originally published syntypes (Zhejiang; Re-published figures of part of the type material (Zhejiang; Lu Sheng Xinfu 1934) Yanhao et al. 1965) Complete dorsal exoskeleton Complete dorsal exoskeleton (Zhejiang; Stam Lee) (Zhejiang; Baishui)
Niobides chekiangensis — photo 3
Photo 3 · Figures of the originally published syntypes (Zhejiang; Re-published figures of part of the type material (Zhejiang; Lu Sheng Xinfu 1934) Yanhao et al. 1965) Complete dorsal exoskeleton Complete dorsal exoskeleton (Zhejiang; Stam Lee) (Zhejiang; Baishui)
Niobides chekiangensis — photo 4
Photo 4 · Figures of the originally published syntypes (Zhejiang; Re-published figures of part of the type material (Zhejiang; Lu Sheng Xinfu 1934) Yanhao et al. 1965) Complete dorsal exoskeleton Complete dorsal exoskeleton (Zhejiang; Stam Lee) (Zhejiang; Baishui)
Classification
Order Asaphida / Superfamily Asaphoidea / Family Asaphidae
Genus
Niobides Harrington & Leanza, 1957
Genus author
Harrington H. J. & Leanza A. F.
Genus etymology
Niobe, a trilobite genus name; -ides, a Greek noun suffix meaning resembling or related to
Species
N. chekiangensis (Sheng, 1934)
Species author
Sheng Xinfu
Species etymology
Chekiang, Zhejiang Province
Age
Tremadocian (Early Ordovician)
Distribution
Zhejiang
Synonyms
Asaphus chekiangensis; Niobella chekiangensis
Diagnosis
Dorsal shield long-ovate. Cephalon semicircular; glabella smooth with rounded front; palpebral lobes medium; librigenae wide with short genal spines. Thorax of 8 segments, narrowing backward; axis narrower than pleurae; pleurae with distinct pleural furrows and rounded ends. Pygidium semicircular; axis long-conical with pointed end reaching inside the border, divided into 8 rings plus a terminal piece; pleural and interpleural furrows distinct; border wide and flat.
Remarks
This species was assigned to the genus Niobides by Prof. Peng Shanchi.