-
Ciurcopterus is a
genus of eurypterid, an
extinct group of
aquatic arthropods.
Fossils of
Ciurcopterus have been
discovered in
deposits of Late Silurian...
- in its
genus and was thus
named as the type
species of a new genus,
Ciurcopterus.
Studies of
specimens referred to this
genus resolved long-standing contentiousness...
-
Ciurcopterus ventricosus (70 cm, 2.3 ft)...
-
Another species, P. ventricosus, was
classified as the
separate genus Ciurcopterus in 2007 by O. Erik
Tetlie and
Derek E. G. Briggs,
distinguished primarily...
- is the most basal. This
debate was
resolved with the
description of
Ciurcopterus, a
primitive pterygotid that
clearly combines features of
Slimonia (especially...
-
walking appendages, that
along with the
characteristics that
Slimonia and
Ciurcopterus share,
suggest that the
hughmilleriids are more
distant from the pterygotids...
-
morphology of its
bilobed telson,
which is
different from the
telson of
Ciurcopterus, with a
dorsal median carinae, and that of Pterygotus, Jaekelopterus...
-
Ciurcopterus ventricosus (70 cm)...
- pterygotids. The
discovery of
Ciurcopterus, the most
primitive known pterygotid, and
studies revealing that
Ciurcopterus combines features of Slimonia...
-
walking appendages, that
along with the
characteristics that
Slimonia and
Ciurcopterus share,
suggest that the
hughmilleriids were more
distant from the pterygotids...
