Ptychopariida

Luia typica

Order Ptychopariida / Suborder Ptychopariina / Superfamily Ptychoparioidea / Family Anomocarellidae

Drumian (Miaolingian, Cambrian)Shandong

Luia typica — photo 1 — Photo 1 · Chinese stratigrapher, palaeontologist and trilobite researcher Holotype NIGP 9284 (upper figures show the original specimen with transverse deformation; lower two figures are the two morphs restored by Photoshop) (Shandong; Peng 2020) Pygidium specimen NIGP 9287 (Shandong; Peng 2020)

Luia typica — photo 2 — Photo 2 · Chinese stratigrapher, palaeontologist and trilobite researcher Holotype NIGP 9284 (upper figures show the original specimen with transverse deformation; lower two figures are the two morphs restored by Photoshop) (Shandong; Peng 2020) Pygidium specimen NIGP 9287 (Shandong; Peng 2020)

Classification

Order Ptychopariida / Suborder Ptychopariina / Superfamily Ptychoparioidea / Family Anomocarellidae

Genus

Luia Chang, 1959

Genus author

Zhang Wentang

Genus etymology

Lu, a surname; not specified in the original description, presumably from Prof. Lu Yanhao, the renowned

Species

L. typica Chang, 1959

Species author

Zhang Wentang

Species etymology

typica, Latin, typical

Age

Drumian (Miaolingian, Cambrian)

Distribution

Shandong

Diagnosis

Glabella large with 4 pairs of glabellar furrows; palpebral lobes small, eye ridges convex and strongly inclined backward; fixigenae narrow in the palpebral area; anterior border short; preglabellar field long, ornamented with fine radial ridges. Pygidial axis narrow and long, weakly divided into many rings, reaching inside the border posteriorly; pleural region with shallow pleural furrows and no interpleural furrows; border medium-wide, slightly concave medially.

Remarks

This species is the type species of the genus Luia.