Ptychopariida
Olenus austriacus
Order Ptychopariida / Suborder Olenina / Family Olenidae
Paibian (Furongian, Cambrian)Hunan




Classification
Order Ptychopariida / Suborder Olenina / Family Olenidae
Genus
Olenus Dalman, 1827
Genus author
Dalman J. W.
Genus etymology
Olenus, from Greek Ōlenos, a figure in Greek mythology who, because of his wife Lethaea's vanity, was turned
Species
O. austriacus Yang in Zhou et al., 1977
Species author
Yang Jialu
Species etymology
austr-, Latin, southern
Age
Paibian (Furongian, Cambrian)
Distribution
Hunan
Diagnosis
Glabella subrectangular with 3 pairs of glabellar furrows; preglabellar field long; a small occipital node present; palpebral lobes at the middle of the cranidium; eye ridges faint, horizontal; anterior border ridge-like. Thorax of 13 segments; axis narrower than pleurae; pleural furrows wide and deep, anterior pleural spines sharp with distinct articulating facets, posterior pleural spines gradually disappearing. Pygidium small, semi-elliptical; axis with 4 rings plus a terminal piece; border extremely narrow.