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Eurypteridae is an extinct family of eurypterids that lived in the Silurian and Devonian periods. The family is one of three families contained in the superfamily Eurypteroidea (along with Dolichopteridae and Strobilopteridae), which in turn is one of the superfamilies classified as part of the suborder Eurypterina. [1]
Waterston et al., 1985 Hibbertopteridae (the name deriving from the type genus Hibbertopterus , meaning " Hibbert 's wing") is a family of eurypterids , an extinct group of aquatic arthropods . They were members of the superfamily Mycteropoidea .
Eurypterid trackways have been referred to several ichnogenera, most notably Palmichnium (defined as a series of four tracks often with an associated drag mark in the mid-line), [24] wherein the holotype of the ichnospecies P. kosinkiorum preserves the largest eurypterid footprints known to date with the found tracks each being about 7.6 ...
Palmichnium ("palm trace") is an ichnofossil genus, interpreted as a eurypterid trackway. It has been found by many places around the world, such as Australia, Canada, United States and Wales . Its trackways consist of three or four subcircular tracks that are symmetrical around a midline impression that is arranged en echelon with a high angle ...
Eurypterus, the most commonly found eurypterid fossil and the first eurypterid genus to be described. This list of eurypterid genera is a comprehensive listing of all genera that have ever been included in the order Eurypterida, excluding purely vernacular terms.
Lamsdell et al. (2011) performed the first major and comprehensive analysis of the suborder, which permitted a substantial systematic revision and comparisons to other eurypterid clades. [3] Reconstruction of Brachyopterus, a rhenopterid and the earliest known stylonurine.
Megalograptidae are a family of eurypterids, an extinct group of chelicerate arthropods commonly known as "sea scorpions".. The megalograptids were likely the first major successful group of eurypterids, evidenced by a Late Ordovician radiation.
Order Eurypterida Burmeister, 1843. Suborder Eurypterina Burmeister, 1845. Superfamily Eurypteroidea Burmeister, 1845. Genus Paraeurypterus Lamsdell, Hoşgör ...