Corynexochida

Guangxiaspis guangxiensis

Order Corynexochida / Suborder Leiostegiina / Superfamily Leiostegioidea / Family Kaolishaniidae

Jiangshanian (Furongian, Cambrian)Guangxi
Guangxiaspis guangxiensis — photo 1
Photo 1 · Type specimen (Guangxi; Zhou Restoration Tianmei et al. 1977) (illustrated by Haixiang) Early holaspid Early holaspid (Guangxi; (Guangxi; Wuxing) Pengcheng Jianke) Ontogenetic series (Zhu et al., 2010) Complete dorsal exoskeleton Complete dorsal exoskeleton Complete dorsal exoskeleton (Guangxi; Baishui) (Guangxi; Guodong) (Guangxi; Pengcheng Jianke)
Guangxiaspis guangxiensis — photo 2
Photo 2 · Type specimen (Guangxi; Zhou Restoration Tianmei et al. 1977) (illustrated by Haixiang) Early holaspid Early holaspid (Guangxi; (Guangxi; Wuxing) Pengcheng Jianke) Ontogenetic series (Zhu et al., 2010) Complete dorsal exoskeleton Complete dorsal exoskeleton Complete dorsal exoskeleton (Guangxi; Baishui) (Guangxi; Guodong) (Guangxi; Pengcheng Jianke)
Guangxiaspis guangxiensis — photo 3
Photo 3 · Type specimen (Guangxi; Zhou Restoration Tianmei et al. 1977) (illustrated by Haixiang) Early holaspid Early holaspid (Guangxi; (Guangxi; Wuxing) Pengcheng Jianke) Ontogenetic series (Zhu et al., 2010) Complete dorsal exoskeleton Complete dorsal exoskeleton Complete dorsal exoskeleton (Guangxi; Baishui) (Guangxi; Guodong) (Guangxi; Pengcheng Jianke)
Guangxiaspis guangxiensis — photo 4
Photo 4 · Type specimen (Guangxi; Zhou Restoration Tianmei et al. 1977) (illustrated by Haixiang) Early holaspid Early holaspid (Guangxi; (Guangxi; Wuxing) Pengcheng Jianke) Ontogenetic series (Zhu et al., 2010) Complete dorsal exoskeleton Complete dorsal exoskeleton Complete dorsal exoskeleton (Guangxi; Baishui) (Guangxi; Guodong) (Guangxi; Pengcheng Jianke)
Guangxiaspis guangxiensis — photo 5
Photo 5 · Type specimen (Guangxi; Zhou Restoration Tianmei et al. 1977) (illustrated by Haixiang) Early holaspid Early holaspid (Guangxi; (Guangxi; Wuxing) Pengcheng Jianke) Ontogenetic series (Zhu et al., 2010) Complete dorsal exoskeleton Complete dorsal exoskeleton Complete dorsal exoskeleton (Guangxi; Baishui) (Guangxi; Guodong) (Guangxi; Pengcheng Jianke)
Guangxiaspis guangxiensis — photo 6
Photo 6 · Type specimen (Guangxi; Zhou Restoration Tianmei et al. 1977) (illustrated by Haixiang) Early holaspid Early holaspid (Guangxi; (Guangxi; Wuxing) Pengcheng Jianke) Ontogenetic series (Zhu et al., 2010) Complete dorsal exoskeleton Complete dorsal exoskeleton Complete dorsal exoskeleton (Guangxi; Baishui) (Guangxi; Guodong) (Guangxi; Pengcheng Jianke)
Guangxiaspis guangxiensis — photo 7
Photo 7 · Type specimen (Guangxi; Zhou Restoration Tianmei et al. 1977) (illustrated by Haixiang) Early holaspid Early holaspid (Guangxi; (Guangxi; Wuxing) Pengcheng Jianke) Ontogenetic series (Zhu et al., 2010) Complete dorsal exoskeleton Complete dorsal exoskeleton Complete dorsal exoskeleton (Guangxi; Baishui) (Guangxi; Guodong) (Guangxi; Pengcheng Jianke)
Guangxiaspis guangxiensis — photo 8
Photo 8 · Type specimen (Guangxi; Zhou Restoration Tianmei et al. 1977) (illustrated by Haixiang) Early holaspid Early holaspid (Guangxi; (Guangxi; Wuxing) Pengcheng Jianke) Ontogenetic series (Zhu et al., 2010) Complete dorsal exoskeleton Complete dorsal exoskeleton Complete dorsal exoskeleton (Guangxi; Baishui) (Guangxi; Guodong) (Guangxi; Pengcheng Jianke)
Guangxiaspis guangxiensis — photo 9
Photo 9 · Type specimen (Guangxi; Zhou Restoration Tianmei et al. 1977) (illustrated by Haixiang) Early holaspid Early holaspid (Guangxi; (Guangxi; Wuxing) Pengcheng Jianke) Ontogenetic series (Zhu et al., 2010) Complete dorsal exoskeleton Complete dorsal exoskeleton Complete dorsal exoskeleton (Guangxi; Baishui) (Guangxi; Guodong) (Guangxi; Pengcheng Jianke)
Classification
Order Corynexochida / Suborder Leiostegiina / Superfamily Leiostegioidea / Family Kaolishaniidae
Genus
Guangxiaspis Zhou in Zhou et al., 1977
Genus author
Zhou Tianmei
Genus etymology
Guangxi, Guangxi Province, the locality; -aspis, Greek, shield
Species
G. guangxiensis Zhou in Zhou et al., 1977
Species author
Zhou Tianmei
Species etymology
Guangxi, Guangxi Province, the locality
Age
Jiangshanian (Furongian, Cambrian)
Distribution
Guangxi
Synonyms
Mansuyia laevigata; M. pulchra; M. guangxiensis
Diagnosis
Glabella subrectangular, glabellar furrows faint or absent; dorsal furrows deep; fixigenae as wide as the glabella; librigenae narrow with extremely long, backward-curving genal spines; palpebral lobes semicircular, at the mid- posterior part of the cranidium; anterior border very wide and gently convex; anterior branches of facial sutures diverging slightly outward-forward then running in an arc along the cranidial margin, posterior branches short. Thorax of 10 segments, pleurae straight with pointed distal ends, pleural spines short. Pygidium subsemicircular apart from lateral spines; axis narrow and conical; a pair of lateral spines arising between the first and second pleural rings, their size and shape varying with growth stage.
Remarks
This species is the type species of the genus Guangxiaspis.