Ptychopariida

Ctenopyge (Mesoctenopyge) tumida

Order Ptychopariida / Suborder Olenina / Family Olenidae

Stage 10 (Furongian, Cambrian)Sweden

Ctenopyge (Mesoctenopyge) tumida — photo 1 — Photo 1 · (Mesoctenopyge)) Henningsmoen, 1957 Literature specimen (Sweden; Clarkson et al., 2003) Restoration (Clarkson et al., 2003)

Ctenopyge (Mesoctenopyge) tumida — photo 2 — Photo 2 · (Mesoctenopyge)) Henningsmoen, 1957 Literature specimen (Sweden; Clarkson et al., 2003) Restoration (Clarkson et al., 2003)

Classification

Order Ptychopariida / Suborder Olenina / Family Olenidae

Genus

Ctenopyge, subgenus Mesoctenopyge (Ctenopyge

Genus author

Henningsmoen G.

Genus etymology

meso-, Greek, middle; Ctenopyge, a trilobite genus name

Species

C. (M.) tumida Westergård, 1922

Species author

Westergård A. H.

Species etymology

tumida, Latin, swollen

Age

Stage 10 (Furongian, Cambrian)

Distribution

Sweden

Synonyms

Ctenopyge tumida

Diagnosis

Cephalon wide; cranidium trapezoidal; glabella long truncate-conical with three pairs of glabellar furrows; occipital ring with a median occipital node; eyes large; eye ridges long; proparian facial sutures; fixigenae wide in the palpebral area; librigenae wide, with long genal spines. Thorax of at least 10 segments; axis subequal in width to pleurae, segments 1-9 with axial nodes, segment 10 with a long axial spine; pleural furrows distinct, pleural spines long, longest on segment 1. Pygidium of unknown shape.

Remarks

Body length about 1 cm.