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Jaekelopterus is a
genus of
predatory eurypterid, a
group of
extinct aquatic arthropods.
Fossils of
Jaekelopterus have been
discovered in
deposits of...
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includes the
largest known arthropods ever to have lived. The largest,
Jaekelopterus,
reached 2.5
meters (8.2 ft) in length.
Eurypterids were not uniformly...
- eurypterids, Acutiramus,
Jaekelopterus and Pterygotus, are very
similar to each other.
Pterygotus is
particularly similar to
Jaekelopterus, from
which it is...
- the
appendage of
Jaekelopterus. An
inclusive phylogenetic analysis with
multiple species of Acutiramus,
Pterygotus and
Jaekelopterus is
required to resolve...
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nautiloid cephalopods such as
Cameroceras and
later eurypterids such as
Jaekelopterus during the
Ordovician and
Silurian periods. The
first vertebrate carnivores...
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arthropods to have ever
lived with some
members of the family, such as
Jaekelopterus and Acutiramus,
exceeding 2
metres (6.6 ft) in length.
Their fossilized...
- this is
significantly smaller than the
largest eurypterid overall,
Jaekelopterus,
which could reach lengths of
around 250
centimetres (8.2 ft), Hibbertopterus...
- one of the
largest arthropods ever known, as
large as the
eurypterid Jaekelopterus rhenaniae,
whose length is
estimated at 2.33–2.59
metres (7 ft 8 in –...
- well-developed
chelae (claws).
Although some
pterygotid eurypterids, such as
Jaekelopterus or
Acutiramus grew to
gigantic proportions, it is
estimated that the...
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largest arthropod known to have
existed is the
eurypterid (sea scorpion)
Jaekelopterus,
reaching up to 2.5 m (8.2 ft) in body length,
followed by the millipede...