|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Eurypterida - Stylonuridae
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.
|E. O. Tetlie et al. 2007||Small eurypterids with subquadrate carapace with broad marginal rim; crescentic eyes large (c. one-third of carapace length) on anterior half of carapace; cardoid raised ocellar area between eyes; appendages V and VI non-spiniferous and simple; individual podomeres with pronounced ridges; mesonoma not wider than carapace; metasoma narrow (emended from Waterson 1979)|