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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...
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Erettopterus waylandsmithi (60 cm, 1.97 ft)
Erettopterus osiliensis (90 cm, 2.95 ft)...
- (Pterygotus) and P. (Acutiramus), as well as two
subgenera of
Erettopterus; E. (
Erettopterus) and E. (Truncatiramus). Kjellesvig-Waering
placed the primary...
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eurypterids have also been
estimated to have
reached lengths of 2.5 metres;
Erettopterus grandis (closely
related to Jaekelopterus) and
Hibbertopterus wittebergensis...
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increasingly diverse,
researchers began to name subgenera, such as
Pterygotus (
Erettopterus),
named by John
William Salter in 1859 for
species of
Pterygotus with...
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recently having studied the
feeding mechanism of the
pterygotid Erettopterus bilobus.
Erettopterus possessed only
three pairs of
slender walking legs (typically...
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containing two subgenera;
Pterygotus (Curviramus) and
Pterygotus (
Erettopterus), but
Erettopterus would later be
raised to its own genus.
American paleontologist...
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Arthropods Species Notes Images Slimonia a****inata A
slimonid eurypterid.
Erettopterus bilobus A
pterygotid eurypterid.
Pterygotus lanarkensis A pterygotid...
- 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...
