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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 ...
Order Eurypterida Burmeister, 1843. Suborder Eurypterina Burmeister, 1845. Superfamily Eurypteroidea Burmeister, 1845. Genus Paraeurypterus Lamsdell, Hoşgör ...
The Oakleigh Garden Historic District is a historic district in Mobile, Alabama, United States. It was placed on the National Register of Historic Places on 13 April 1972. [ 1 ] It is centered on Washington Square and was originally bounded by Government, Marine, Texas, and Ann Streets. [ 2 ]
Seventy-five percent of eurypterid species are eurypterines; this represents 99% of specimens. [2] The superfamily Pterygotioidea is the most species-rich clade, with 56 species, followed by the Adelophthalmoidea with 43 species; as sister taxa, they comprise the most derived eurypterines.
Mycteroptidae are a family of eurypterids, a group of extinct chelicerate arthropods commonly known as "sea scorpions". The family is one of three families contained in the superfamily Mycteropoidea (along with Hibbertopteridae and Drepanopteridae), which in turn is one of four superfamilies classified as part of the suborder Stylonurina.
Eurypterus (/ j ʊəˈr ɪ p t ər ə s / yoo-RIP-tər-əs) is an extinct genus of eurypterid, a group of organisms commonly called "sea scorpions". The genus lived during the Silurian period, from around 432 to 418 million years ago. Eurypterus is by far the most well-studied and well-known eurypterid.
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]
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.