Agnostida
Pseudagnostus vastulus
Order Agnostida / Suborder Agnostina / Superfamily Agnostoidea / Family Diplagnostidae
Cambrian, Furongian JiangshanianHunan; Australia







Classification
Order Agnostida / Suborder Agnostina / Superfamily Agnostoidea / Family Diplagnostidae
Genus
Pseudagnostus Jaekel, 1909
Genus author
Jaekel O.
Genus etymology
pseud-, Greek, false; Agnostus, a trilobite genus name.
Species
P. vastulus Whitehouse, 1936
Species author
Whitehouse F. W.
Species etymology
vastulus, Latin, rather large; the author considered the individuals large (actually estimated at about 1 cm from the holotype).
Age
Cambrian, Furongian Jiangshanian
Distribution
Hunan; Australia
Synonyms
Pseudagnostus nuperus; Pseudagnostus curtare; Pseudagnostus (Pseudagnostina) curtare; Pseudagnostus (Pseudagnostina) vastulus
Diagnosis
Glabella narrow, frontal lobe relatively small, anterior end subacutely rounded, median node long, on the anterior part of the posterior lobe, terminal end of posterior lobe pointed; border furrow narrow and deep. Anterior axial ring of pygidium indistinctly segmented, median node large, posterior axial ring anterolateral dorsal furrow almost effaced; border furrow broad and deep; border with a pair of small lateral spines.