-
Pterygotioidea (the name
deriving from the type
genus Pterygotus,
meaning "winged one") is a
superfamily of eurypterids, an
extinct group of
aquatic arthropods...
- took the form of a blade-like shape. In some lineages,
notably the
Pterygotioidea, the
Hibbertopteridae and the Mycteroptidae, the
telson was flattened...
- are eurypterines; this
represents 99% of specimens. The
superfamily Pterygotioidea is the most species-rich clade, with 56 species,
followed by the Adelophthalmoidea...
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Jaekelopterus is
classified within the
family Pterygotidae in the
superfamily Pterygotioidea.
Jaekelopterus is
similar to Pterygotus,
virtually only
distinct in...
- Hughmilleriidae, a
eurypterid family classified in the
superfamily Pterygotioidea that is
differentiated by
their streamlined bodies, the enlargement...
-
extinct group of
aquatic arthropods. They were
members of the
superfamily Pterygotioidea.
Pterygotids were the
largest known arthropods to have ever
lived with...
- of the
family Hughmilleriidae, a
basal family in the
highly derived Pterygotioidea superfamily of eurypterids.
Fossils of the
single and type species,...
-
carapace of
Eysyslopterus and
other basal members of the
closely related Pterygotioidea (Herefordopterus) and the
waeringopteroids (Orcanopterus) has been shown...
-
Megalograptidae Mixopteridae Waeringopteroidea Waeringopteridae Adelophthalmoidea Adelophthalmidae Pterygotioidea Hughmilleriidae Slimonidae Pterygotidae...
-
group of
aquatic arthropods.
Slimonids were
members of the
superfamily Pterygotioidea and the
family most
closely related to the
derived pterygotid eurypterids...
