Ptychopariida

Ctenopyge (Ctenopyge) gracilis

Order Ptychopariida / Suborder Olenina / Family Olenidae

Stage 10 (Furongian, Cambrian)Sweden

Ctenopyge (Ctenopyge) gracilis — photo 1 — Photo 1 · 1880 Literature specimen (Sweden; Clarkson et al., Restoration (Clarkson et al., 2003) 2003)

Ctenopyge (Ctenopyge) gracilis — photo 2 — Photo 2 · 1880 Literature specimen (Sweden; Clarkson et al., Restoration (Clarkson et al., 2003) 2003)

Ctenopyge (Ctenopyge) gracilis — photo 3 — Photo 3 · 1880 Literature specimen (Sweden; Clarkson et al., Restoration (Clarkson et al., 2003) 2003)

Classification

Order Ptychopariida / Suborder Olenina / Family Olenidae

Genus

Ctenopyge, subgenus Ctenopyge (Ctenopyge) Linnarsson,

Genus author

Linnarsson J. G. O.

Genus etymology

cteno-, Greek, comb; -pyge, tail

Species

C. (C.) gracilis Henningsmoen, 1957

Species author

Henningsmoen G.

Species etymology

gracilis, slender, graceful

Age

Stage 10 (Furongian, Cambrian)

Distribution

Sweden

Synonyms

Ctenopyge (Ctenopyge) affinis gracilis

Diagnosis

Cephalon wide; cranidium trapezoidal; glabella subrectangular with two pairs of glabellar furrows, S2 faint; a small occipital spine present medially on the occipital ring; eyes large; eye ridges long; fixigenae wide in the palpebral area; librigenae wide, genal Spines slender and long, arranged in a circle. Thorax of 9 segments; axis narrow, segments 1-8 with axial nodes, segment 9 with a very slender long axial spine; pleural furrows distinct, pleural spines slender and arranged in an arc. Pygidium small, triangular; a slender spine present in the middle.

Remarks

Body length about 0.5-1 cm.