Proetida

Mahaiella eleganta

Order Proetida / Superfamily Proetoidea / Family Proetidae

Serpukhovian (Mississippian, Carboniferous)Guangxi

Mahaiella eleganta — photo 1 — Photo 1 · Holotype Gt-512 (Guangxi; Yin Gongzheng 1983) Restoration (Yin Gongzheng Restoration 1983) (illustrated by Haixiang)

Mahaiella eleganta — photo 2 — Photo 2 · Holotype Gt-512 (Guangxi; Yin Gongzheng 1983) Restoration (Yin Gongzheng Restoration 1983) (illustrated by Haixiang)

Mahaiella eleganta — photo 3 — Photo 3 · Holotype Gt-512 (Guangxi; Yin Gongzheng 1983) Restoration (Yin Gongzheng Restoration 1983) (illustrated by Haixiang)

Classification

Order Proetida / Superfamily Proetoidea / Family Proetidae

Genus

Mahaiella Yin, 1983

Genus author

Yin Gongzheng

Genus etymology

mahai, Mahai, Longlin, Guangxi, type locality of the type species; -ella, a diminutive adjectival suffix

Species

M. eleganta Yin, 1983

Species author

Yin Gongzheng

Species etymology

eleganta, Latin, elegant

Age

Serpukhovian (Mississippian, Carboniferous)

Distribution

Guangxi

Diagnosis

Dorsal shield long-ovate. Cephalon semicircular; glabella stout and short, constricted medially, front rounded, reaching the anterior border; 3 pairs of glabellar furrows, S1 oblique and long, connected to the occipital furrow; occipital furrow deep; occipital ring slightly protruding medially; fixigenae narrow; anterior border narrow and flat; eyes convex, medium-sized; librigenae gently convex with a ridge-like swelling near the eyes, border wide and flat, genal spines absent. Thorax of 9 segments; axis rather wide; pleural furrows distinct, pleural spines absent. Pygidium semicircular; axis convex, of 11-12 rings, tapering gradually backward to the pygidial border; border wide and flat with a distinct border furrow.

Remarks

This species is the type species of the genus Mahaiella.