Ptychopariida

Luaspides lingyuanensis

Order Ptychopariida / Suborder Ptychopariina / Superfamily Ptychoparioidea / Family Luaspididae

Wuliuan (Miaolingian, Cambrian)Liaoning, Hebei, Inner Mongolia, Ningxia
Luaspides lingyuanensis — photo 1
Photo 1 · shield Type specimen figures (immature specimen; Liaoning; Guo Cephalon and pygidium specimen Literature specimen (Liaoning; Guo Hongjun et al. 1978) (Hebei; Peng 2020) Hongjun et al. 1978) Literature specimen (Hebei; Peng 2020) Literature specimen (Inner Mongolia; Literature specimen (Ningxia; Peng Peng 2020) 2020)
Luaspides lingyuanensis — photo 2
Photo 2 · shield Type specimen figures (immature specimen; Liaoning; Guo Cephalon and pygidium specimen Literature specimen (Liaoning; Guo Hongjun et al. 1978) (Hebei; Peng 2020) Hongjun et al. 1978) Literature specimen (Hebei; Peng 2020) Literature specimen (Inner Mongolia; Literature specimen (Ningxia; Peng Peng 2020) 2020)
Luaspides lingyuanensis — photo 3
Photo 3 · shield Type specimen figures (immature specimen; Liaoning; Guo Cephalon and pygidium specimen Literature specimen (Liaoning; Guo Hongjun et al. 1978) (Hebei; Peng 2020) Hongjun et al. 1978) Literature specimen (Hebei; Peng 2020) Literature specimen (Inner Mongolia; Literature specimen (Ningxia; Peng Peng 2020) 2020)
Luaspides lingyuanensis — photo 4
Photo 4 · shield Type specimen figures (immature specimen; Liaoning; Guo Cephalon and pygidium specimen Literature specimen (Liaoning; Guo Hongjun et al. 1978) (Hebei; Peng 2020) Hongjun et al. 1978) Literature specimen (Hebei; Peng 2020) Literature specimen (Inner Mongolia; Literature specimen (Ningxia; Peng Peng 2020) 2020)
Luaspides lingyuanensis — photo 5
Photo 5 · shield Type specimen figures (immature specimen; Liaoning; Guo Cephalon and pygidium specimen Literature specimen (Liaoning; Guo Hongjun et al. 1978) (Hebei; Peng 2020) Hongjun et al. 1978) Literature specimen (Hebei; Peng 2020) Literature specimen (Inner Mongolia; Literature specimen (Ningxia; Peng Peng 2020) 2020)
Luaspides lingyuanensis — photo 6
Photo 6 · shield Type specimen figures (immature specimen; Liaoning; Guo Cephalon and pygidium specimen Literature specimen (Liaoning; Guo Hongjun et al. 1978) (Hebei; Peng 2020) Hongjun et al. 1978) Literature specimen (Hebei; Peng 2020) Literature specimen (Inner Mongolia; Literature specimen (Ningxia; Peng Peng 2020) 2020)
Classification
Order Ptychopariida / Suborder Ptychopariina / Superfamily Ptychoparioidea / Family Luaspididae
Genus
Luaspides Duan, 1966
Genus author
Duan Jiye
Genus etymology
Lu, a surname; not specified in the original description, possibly in honour of Prof. Lu Yanhao; aspid, Greek,
Species
L. lingyuanensis Duan, 1966
Species author
Duan Jiye
Species etymology
lingyuan, Lingyuan County, Liaoning, type locality of the type specimens
Age
Wuliuan (Miaolingian, Cambrian)
Distribution
Liaoning, Hebei, Inner Mongolia, Ningxia
Synonyms
Luaspides brevis; L. qinglongshanensis; L. shangzhuangensis; L. xixianensis; L. wutaishanensis; L. huoshanensis
Diagnosis
Anterior margin of cranidium arched backward or nearly straight; glabella broad-conical; 4 pairs of rather deep glabellar furrows; occipital ring with an occipital spine or node; palpebral lobes small, at the middle of the cranidium; eye ridges stout; anterior border upturned; anterior branches of facial sutures extending forward and outward, posterior branches rather long and straight. Thorax of 15 segments; each axial ring with an axial node; pleural furrows wide and deep; pleural spines long. Pygidium small; axis stout, terminal piece with two mound-like swellings.
Remarks
This species is the type species of the genus Luaspides. As reviewed by Peng 2020, the other species are junior synonyms of this species.