- and
their more
primitive early and
middle Tri****ic ancestors.
Basal ichthyopterygians (prior to and
ancestral to true Ichthyosauria) were
mostly small (a...
-
Thaisaurus is an
extinct genus of
ichthyopterygian marine reptile that
lived during the
Spathian (late Olenekian,
Early Tri****ic).
Fossils have been found...
- names, and
genera that are no
longer considered ichthyopterygian. Non-ichthyosaur
ichthyopterygians shall be
noted as such. This list
contains 109 genera...
-
highly successful ichthyopterygians,
which appeared in
Early Tri****ic seas, soon diversified. By the
Middle Tri****ic, some
ichthyopterygians were achieving...
-
Grippia is a
genus of
early ichthyopterygian, an
extinct group of
reptiles that
resembled dolphins. Its only
species is
Grippia longirostris. It was a...
-
smallest known ichthyopterygians,
measuring about 0.7–1 m (2.3–3.3 ft) long and
weighing 1.3–3.1 kg (2.9–6.8 lb).
Being a
basal ichthyopterygian, Chaohusaurus...
-
phylogenetic placement of
other main
groups of
fossil sea
reptiles – the
ichthyopterygians (including ichthyosaurs) and the sauropterygians,
which evolved in...
-
study recorded the
fossils of a
derived marine ichthyosauromorph (an
ichthyopterygian) in
earliest Tri****ic
rocks of Spitsbergen, Norway, just 2 million...
-
Utatsusaurus hataii is the earliest-known
ichthyopterygian which lived in the
Early Tri****ic
period (c. 245–250
million years ago). It was
nearly 2.5–3...
- "Fish Niveau" bonebed. This
horizon also
produced the
oldest known ichthyopterygian reptile fossil. The
depositional environment corresponds to a deeper...
