Erettopterus is a genus of large predatory eurypterid, an extinct group of aquatic arthropods. Fossils of Erettopterus have been discovered in deposits...

Størmer the same year, and Erettopterus and Acutiramus would be recognized as separate, but closely related, genera (Erettopterus by Erik N. Kjellesvig-Waering...

(Pterygotus) and P. (Acutiramus), as well as two subgenera of Erettopterus; E. (Erettopterus) and E. (Truncatiramus). Kjellesvig-Waering placed the primary...

increasingly diverse, researchers began to name subgenera, such as Pterygotus (Erettopterus), named by John William Salter in 1859 for species of Pterygotus with...

new species of the new genus Himantopterus (a preoccupied name, now Erettopterus) by the English geologist and paleontologist John William Salter. The...

Erettopterus waylandsmithi (60 cm, 1.97 ft) Erettopterus osiliensis (90 cm, 2.95 ft)...

eurypterids have also been estimated to have reached lengths of 2.5 metres; Erettopterus grandis (closely related to Jaekelopterus) and Hibbertopterus wittebergensis...

discovered, was home to a wide array of different eurypterids, like Erettopterus gigas, Eurypterus cephalaspis, Nanahughmilleria pygmaea, Marsupipterus...

containing two subgenera; Pterygotus (Curviramus) and Pterygotus (Erettopterus), but Erettopterus would later be raised to its own genus. American paleontologist...

divergent and specialized ecological roles, more basal genera, such as Erettopterus, were more generalized predators. List of eurypterid genera Timeline...

erroneously assigned H. banksii to Pterygotus (Erettopterus) based on bilobed telsons of Erettopterus spatulatus that he misidentified as belonging to...

recently having studied the feeding mechanism of the pterygotid Erettopterus bilobus. Erettopterus possessed only three pairs of slender walking legs (typically...

Paracarcinosoma scorpionis (Grote & Pitt) Eurypterus lacustris (Harlan, 1834) Erettopterus waylandsmithi (Kjellesvig-Waering & Caster 1955) Waeringopterus cumberlandicus...

2 in) in length, which is also the largest arthropod known to exist. Erettopterus grandis possibly reached this same length but this is based on an incomplete...

this genus. The subgenus Erettopterus is regarded as a new genus and is separated into two new subgenera, E. (Erettopterus), including the new species...

another species of his new genus Himantopterus (a preoccupied name, now Erettopterus). The swimming legs of this species were long and narrow, reaching the...

Arthropods Species Notes Images Slimonia acuminata A slimonid eurypterid. Erettopterus bilobus A pterygotid eurypterid. ?Nanahughmilleria lanceolata An adelophthalmid...

Mixopterus kiaeri and Erettopterus holmi. With its slender and spineless walking legs and short genital appendage, Erettopterus could not have produced...

Williamsville Pterygotus cobbi Williamsville P. juvensis Fiddlers Green Erettopterus sp. Fiddlers Green E. grandis Fiddlers Green Rhinocarcinosoma sp. Williamsville...

shawangunk, Nanahughmilleria clarkei, Ruedemannipterus stylonuroides, Erettopterus globiceps, Hardieopterus myops, Kiaeropterus otisius and Ctenopterus...

area, also preserving E. acrocephalus, were home to other eurypterids Erettopterus, Pterygotus and Acutiramus, a less diverse assemblage of trilobites (Otarion...

Erettopterus....

Erettopterus bilobus and S. stylops have been found associated with Nanahughmilleria pygmaea, Eusarcana salteri, Hardieopterus megalops, Erettopterus...

Erettopterus...

other hand, in the West Virginian section, remains of W. cumberlandicus, Erettopterus exophthalmus, Parahughmilleria bellistriata and Stoermeropterus nodosus...

home to a wide array of different eurypterids, including species of Erettopterus, Eurypterus, Nanahughmilleria, Marsupipterus, Herefordopterus and potentially...

Erettopterus...

ruedemanni Mixopterus kiaeri Nanahughmilleria norvegica Pterygotus (Erettopterus) Erettopterus holmi Stylonuroides dolichopteroides Mixopterus sp. Nanahughmilleria...

†Eospermatopteris †Eospirifer †Eospirifer radiatus †Eotripteroceras †Eremoceras †Erettopterus †Erieopterus †Erratencrinurus †Eucalyptocrinites †Eucalyptocrinites caelatus...

†Eremoceras multicameratum †Eremoceras teres †Erettopterus †Erettopterus globiceps †Erettopterus grandis †Erettopterus waylandsmithi – type locality for species...