|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Trilobita - Redlichiida - Olenellidae
It was reranked as Olenelloides by Walcott (1910), Palmer and Repina (1993) and Sepkoski (2002).
It was assigned to Olenellus by Peach (1894); to Mesonacidae by Walcott (1910); to Laudoniinae by Palmer and Repina (1993); and to Olenellida by Sepkoski (2002).
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.
|A. R. Palmer and L. N. Repina 1993||Latidoniinae with ccphalon subliexagonal in outline; prominent procranidial, genal, or intergenal spines at each angle of the hexagon. Intergenal spines close to glabella. L4 subglobular. Preglabellar field ab- sent. Width of narrow interocular area about equal to width of equally narrow ex traocular area opposite midlength of ocular lobe. Posterior tips of ocular lobes opposite 1.2. Thorax of nine segments; axis wider than inner part of pleural region exclusive of spines; third and sixth thoracic segments macropleural.|