-
Acutiramus is a
genus of
giant predatory eurypterid, an
extinct group of
aquatic arthropods.
Fossils of
Acutiramus have been
discovered in
deposits of...
-
present in
Pterygotus and
Acutiramus.
Genital appendages can vary even
within genera; for instance, the
genital appendage of
Acutiramus changes from species...
- and
Acutiramus would be
recognized as separate, but
closely related,
genera (Erettopterus by Erik N. Kjellesvig-Waering in 1961, and
Acutiramus by Størmer...
- (Phosphatocopina)
Other examples of now
extinct arthropod groups include Acutiramus (Eurypterida)
Apankura (Euthycarcinoidea)
Trimerus (Artiopoda) Concavicaris...
- ever
lived with some
members of the family, such as
Jaekelopterus and
Acutiramus,
exceeding 2
metres (6.6 ft) in length.
Their fossilized remains have...
- three-segmented
chelicerae Isolated fossil chelicera of a
pterygotid eurypterid,
Acutiramus ****mingsi
Having three-segmented
chelate chelicerae is the
primitive condition...
- the Pterygotidae, is
noted for
several unusually large species. Both
Acutiramus,
whose largest member A.
bohemicus measured 2.1
meters (6.9 ft), and Pterygotus...
- (claws).
Although some
pterygotid eurypterids, such as
Jaekelopterus or
Acutiramus grew to
gigantic proportions, it is
estimated that the
largest species...
-
Jaekelopterus rhenaniae at 2.5
metres (8 ft, the
largest known arthropod) and
Acutiramus bohemicus at 2.1
metres (7 ft).
Ciurcopterus possessed walking legs that...
-
limestone have
produced thousands of
fossil eurypterids, such as
giant Acutiramus and well-known Eurypterus, as well as
other fauna like
scorpions and fish...
