Corynexochida

Teinistion lansi

Order Corynexochida / Suborder Leiostegiina / Superfamily Dameselloidea / Family Dorypygellidae

Guzhangian (Miaolingian, Cambrian)Shandong
Teinistion lansi — photo 1
Photo 1 · Figures of various sclerites (Shandong; Lu Yanhao Type specimen figures (Shandong; Lu Yanhao et al. 1965) et al. 1965) Specimen on the same slab as a Pseudagnostus specimen (Shandong; Baishui) Complete dorsal exoskeleton (Shandong; Pengcheng Jianke) Enrolled specimen preserving part of the thorax (Shandong; Yicheng)
Teinistion lansi — photo 2
Photo 2 · Figures of various sclerites (Shandong; Lu Yanhao Type specimen figures (Shandong; Lu Yanhao et al. 1965) et al. 1965) Specimen on the same slab as a Pseudagnostus specimen (Shandong; Baishui) Complete dorsal exoskeleton (Shandong; Pengcheng Jianke) Enrolled specimen preserving part of the thorax (Shandong; Yicheng)
Teinistion lansi — photo 3
Photo 3 · Figures of various sclerites (Shandong; Lu Yanhao Type specimen figures (Shandong; Lu Yanhao et al. 1965) et al. 1965) Specimen on the same slab as a Pseudagnostus specimen (Shandong; Baishui) Complete dorsal exoskeleton (Shandong; Pengcheng Jianke) Enrolled specimen preserving part of the thorax (Shandong; Yicheng)
Teinistion lansi — photo 4
Photo 4 · Figures of various sclerites (Shandong; Lu Yanhao Type specimen figures (Shandong; Lu Yanhao et al. 1965) et al. 1965) Specimen on the same slab as a Pseudagnostus specimen (Shandong; Baishui) Complete dorsal exoskeleton (Shandong; Pengcheng Jianke) Enrolled specimen preserving part of the thorax (Shandong; Yicheng)
Teinistion lansi — photo 5
Photo 5 · Figures of various sclerites (Shandong; Lu Yanhao Type specimen figures (Shandong; Lu Yanhao et al. 1965) et al. 1965) Specimen on the same slab as a Pseudagnostus specimen (Shandong; Baishui) Complete dorsal exoskeleton (Shandong; Pengcheng Jianke) Enrolled specimen preserving part of the thorax (Shandong; Yicheng)
Classification
Order Corynexochida / Suborder Leiostegiina / Superfamily Dameselloidea / Family Dorypygellidae
Genus
Teinistion Monke, 1903
Genus author
Monke H.
Genus etymology
tein-, Greek, to stretch
Species
T. lansi Monke, 1903
Species author
Monke H.
Species etymology
Lans, a surname
Age
Guzhangian (Miaolingian, Cambrian)
Distribution
Shandong
Diagnosis
Glabella convex, narrow-conical, with two pairs of glabellar furrows; preglabellar field narrow; anterior border curved into a V shape; border furrow wide and deep; palpebral lobes medium-sized, eye ridges strong; fixigenae wide; librigenae wide with long genal spines. Thorax of 12 segments; axis narrow; pleural furrows wide and deep; pleural spines medium-length. Pygidium subsemicircular; axis narrow-conical with 5 axial rings; 6 pairs of marginal spines, pair 1 slightly longer.
Remarks
This species is the type species of the genus Teinistion.