|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Trilobita - Redlichiida - Olenellidae
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|H. J. Harrington 1956||Wannneriinae with well advanced genal spines. Metagenal spines well developed in adult. Metagenal angle slightly obtuse to slightly acute. Glabella with three pairs of lateral glabellar lobes and a pair of small depressions in front of the first lateral glabellar furrow. Glabella tapering backward. Frontal glabellar lobe ex- panded anteriorly, reaching the anterior border of cephalon. Eye lobes short, sub-median (slightly posterior) reaching level of anterior third of second (3p) lateral glabellar lobe. Posterior genal ridge conspicuous. Cephalic border wide, slightly raised and flat.|