Corynexochida

Leishuia leishuae

Order Corynexochida / Suborder Leiostegiina / Superfamily Dameselloidea / Family Dorypygellidae

Guzhangian (Miaolingian, Cambrian)Yunnan
Leishuia leishuae — photo 1
Photo 1 · Zhu Xuejian, Liu Yu Fulu Biota and many other studies in Cambrian palaeontology and stratigraphy Zhu Xuejian, Liu Yu Holotype NIGP 172417 (Yunnan; Peng et al., 2024) Dorsal and ventral restorations (Peng et al., 2024) Cephalon and Ventral cephalic doublure and sutural structures (Peng pygidium specimen et al., 2024) (Yunnan; Peng et al., 2024) External mould and latex cast (Yunnan; Peng et al., Ventral specimen lacking the cranidium (Yunnan; 2024) Peng et al., 2024)
Leishuia leishuae — photo 2
Photo 2 · Zhu Xuejian, Liu Yu Fulu Biota and many other studies in Cambrian palaeontology and stratigraphy Zhu Xuejian, Liu Yu Holotype NIGP 172417 (Yunnan; Peng et al., 2024) Dorsal and ventral restorations (Peng et al., 2024) Cephalon and Ventral cephalic doublure and sutural structures (Peng pygidium specimen et al., 2024) (Yunnan; Peng et al., 2024) External mould and latex cast (Yunnan; Peng et al., Ventral specimen lacking the cranidium (Yunnan; 2024) Peng et al., 2024)
Leishuia leishuae — photo 3
Photo 3 · Zhu Xuejian, Liu Yu Fulu Biota and many other studies in Cambrian palaeontology and stratigraphy Zhu Xuejian, Liu Yu Holotype NIGP 172417 (Yunnan; Peng et al., 2024) Dorsal and ventral restorations (Peng et al., 2024) Cephalon and Ventral cephalic doublure and sutural structures (Peng pygidium specimen et al., 2024) (Yunnan; Peng et al., 2024) External mould and latex cast (Yunnan; Peng et al., Ventral specimen lacking the cranidium (Yunnan; 2024) Peng et al., 2024)
Leishuia leishuae — photo 4
Photo 4 · Zhu Xuejian, Liu Yu Fulu Biota and many other studies in Cambrian palaeontology and stratigraphy Zhu Xuejian, Liu Yu Holotype NIGP 172417 (Yunnan; Peng et al., 2024) Dorsal and ventral restorations (Peng et al., 2024) Cephalon and Ventral cephalic doublure and sutural structures (Peng pygidium specimen et al., 2024) (Yunnan; Peng et al., 2024) External mould and latex cast (Yunnan; Peng et al., Ventral specimen lacking the cranidium (Yunnan; 2024) Peng et al., 2024)
Leishuia leishuae — photo 5
Photo 5 · Zhu Xuejian, Liu Yu Fulu Biota and many other studies in Cambrian palaeontology and stratigraphy Zhu Xuejian, Liu Yu Holotype NIGP 172417 (Yunnan; Peng et al., 2024) Dorsal and ventral restorations (Peng et al., 2024) Cephalon and Ventral cephalic doublure and sutural structures (Peng pygidium specimen et al., 2024) (Yunnan; Peng et al., 2024) External mould and latex cast (Yunnan; Peng et al., Ventral specimen lacking the cranidium (Yunnan; 2024) Peng et al., 2024)
Leishuia leishuae — photo 6
Photo 6 · Zhu Xuejian, Liu Yu Fulu Biota and many other studies in Cambrian palaeontology and stratigraphy Zhu Xuejian, Liu Yu Holotype NIGP 172417 (Yunnan; Peng et al., 2024) Dorsal and ventral restorations (Peng et al., 2024) Cephalon and Ventral cephalic doublure and sutural structures (Peng pygidium specimen et al., 2024) (Yunnan; Peng et al., 2024) External mould and latex cast (Yunnan; Peng et al., Ventral specimen lacking the cranidium (Yunnan; 2024) Peng et al., 2024)
Leishuia leishuae — photo 7
Photo 7 · Zhu Xuejian, Liu Yu Fulu Biota and many other studies in Cambrian palaeontology and stratigraphy Zhu Xuejian, Liu Yu Holotype NIGP 172417 (Yunnan; Peng et al., 2024) Dorsal and ventral restorations (Peng et al., 2024) Cephalon and Ventral cephalic doublure and sutural structures (Peng pygidium specimen et al., 2024) (Yunnan; Peng et al., 2024) External mould and latex cast (Yunnan; Peng et al., Ventral specimen lacking the cranidium (Yunnan; 2024) Peng et al., 2024)
Classification
Order Corynexochida / Suborder Leiostegiina / Superfamily Dameselloidea / Family Dorypygellidae
Genus
Leishuia Peng, Babcock, Yang, Zhu & Liu, 2024
Genus author
Peng Shanchi, Babcock L. E., Yang Xianfeng,
Genus etymology
Leishu, in honour of Ms. Lei Shu, who performed the logistical organisation and specimen collection for the
Species
L. leishuae Peng, Babcock, Yang, Zhu & Liu, 2024
Species author
Peng Shanchi, Babcock L. E., Yang Xianfeng,
Species etymology
Leishu, in honour of Ms. Lei Shu, who performed the logistical organisation and specimen collection for the Fulu Biota and many other studies in Cambrian palaeontology and stratigraphy
Age
Guzhangian (Miaolingian, Cambrian)
Distribution
Yunnan
Diagnosis
Cephalon broad-semicircular; cranidium subtrapezoidal; glabella broadly conical with rounded front and two pairs of glabellar furrows; occipital furrow distinct; occipital ring of uniform length; preglabellar field flat; palpebral lobes kidney-shaped, rather long; eye ridges faint or absent; librigenae wide with medium-length genal spines. Thorax of 12 segments; axis wide; pleural furrows wide, pleural spines short, lengthening posteriorly. Pygidium subtriangular; axis with 3-4 axial rings and a terminal piece; 5 pairs of pygidial spines on the margin, the first pair longest, pairs 2-5 lengthening progressively.
Remarks
This species is the type species of the genus Leishuia.