Asaphida

Miaopopsis whittardi

Order Asaphida / Superfamily Trinucleoidea / Family Raphiophoridae

Sandbian to Katian (Late Ordovician)Hubei, Yunnan, Zhejiang, Anhui

Miaopopsis whittardi — photo 1 — Photo 1 · Part and counterpart 16918-16919 (Hubei; Lu Yanhao Holotype CMG03033 (Hubei; Yi Yong'en 1957) 1975) (Yunnan; Weidingzhong (Yunnan; Guyu) (Yunnan; Lixia) Guchong) (Yunnan; Tuyang Tuseng Po)

Miaopopsis whittardi — photo 2 — Photo 2 · Part and counterpart 16918-16919 (Hubei; Lu Yanhao Holotype CMG03033 (Hubei; Yi Yong'en 1957) 1975) (Yunnan; Weidingzhong (Yunnan; Guyu) (Yunnan; Lixia) Guchong) (Yunnan; Tuyang Tuseng Po)

Miaopopsis whittardi — photo 3 — Photo 3 · Part and counterpart 16918-16919 (Hubei; Lu Yanhao Holotype CMG03033 (Hubei; Yi Yong'en 1957) 1975) (Yunnan; Weidingzhong (Yunnan; Guyu) (Yunnan; Lixia) Guchong) (Yunnan; Tuyang Tuseng Po)

Miaopopsis whittardi — photo 4 — Photo 4 · Part and counterpart 16918-16919 (Hubei; Lu Yanhao Holotype CMG03033 (Hubei; Yi Yong'en 1957) 1975) (Yunnan; Weidingzhong (Yunnan; Guyu) (Yunnan; Lixia) Guchong) (Yunnan; Tuyang Tuseng Po)

Miaopopsis whittardi — photo 5 — Photo 5 · Part and counterpart 16918-16919 (Hubei; Lu Yanhao Holotype CMG03033 (Hubei; Yi Yong'en 1957) 1975) (Yunnan; Weidingzhong (Yunnan; Guyu) (Yunnan; Lixia) Guchong) (Yunnan; Tuyang Tuseng Po)

Miaopopsis whittardi — photo 6 — Photo 6 · Part and counterpart 16918-16919 (Hubei; Lu Yanhao Holotype CMG03033 (Hubei; Yi Yong'en 1957) 1975) (Yunnan; Weidingzhong (Yunnan; Guyu) (Yunnan; Lixia) Guchong) (Yunnan; Tuyang Tuseng Po)

Miaopopsis whittardi — photo 7 — Photo 7 · Part and counterpart 16918-16919 (Hubei; Lu Yanhao Holotype CMG03033 (Hubei; Yi Yong'en 1957) 1975) (Yunnan; Weidingzhong (Yunnan; Guyu) (Yunnan; Lixia) Guchong) (Yunnan; Tuyang Tuseng Po)

Classification

Order Asaphida / Superfamily Trinucleoidea / Family Raphiophoridae

Genus

Miaopopsis Lu in Lu et al., 1965

Genus author

Lu Yanhao

Genus etymology

Miaopo, Miaopo, Fenxiang, Yichang, Hubei

Species

M. whittardi (Yi, 1957)

Species author

Yi Yong'en

Species etymology

Whittard, in honour of Prof. W. F. Whittard, Fellow of the Royal Society

Age

Sandbian to Katian (Late Ordovician)

Distribution

Hubei, Yunnan, Zhejiang, Anhui

Synonyms

Ampyx wittardi; Ampyxinella gracilis; Miaopopsis quadrata; Ampyxinella rectilimbata; Ampyxinella jiangshanensis; Miaopopsis expansa; Miaopopsis huanghuachangensis

Diagnosis

Dorsal shield ovate. Cephalon broad-semi-elliptical, three times as wide as long; anterior glabellar lobe inflated and convex, with long lateral lobes; occipital furrow wide and shallow; fixigenae wide with many ridge-like fine ridges; librigenae narrow with long genal spines. Thorax of 6 segments; axis narrower than pleurae; pleurae flat; the first segment longitudinally longer than the others, its pleural furrows arched forward, the remaining pleural furrows horizontal. Pygidium broad-semi-elliptical; axis reaching the border, with 12 axial rings; pleural region with two pairs of pleural furrows; border distinct, sloping steeply downward.

Remarks

This species is the type species of the genus Miaopopsis.