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Thunnosaurians Temporal range:
Early Jur****ic-Late Cretaceous, 199.6–93.5 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Ichthyosaurus breviceps fossil Scientific classification...
- the
Middle Jur****ic onwards,
almost all
ichthyosaurs belonged to the
thunnosaurian clade Ophthalmosauridae.
Represented by the 4 m-long (13 ft) Ophthalmosaurus...
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characteristic is
unlike other post-Tri****ic
ichthyosaurs such as the
thunnosaurians,
which had
forefins at
least twice the
length of
their hindfins. It...
- Liston, J.; Riding, J. B.; Brindley, S.; Godefroit, P. (2013). "A
basal thunnosaurian from Iraq
reveals disparate phylogenetic origins for
Cretaceous ichthyosaurs"...
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James B. Riding;
Stephen Brindley &
Pascal Godefroit (2013). "A
basal thunnosaurian from Iraq
reveals disparate phylogenetic origins for
Cretaceous ichthyosaurs"...
- Liston, J.; Riding, J. B.; Brindley, S.; Godefroit, P. (2013). "A
basal thunnosaurian from Iraq
reveals disparate phylogenetic origins for
Cretaceous ichthyosaurs"...
-
contrasted with the "8"-shaped cross-section that is seen in
other thunnosaurian ichthyosaurs. The
coracoid (a
paired bone in the sca****r girdle) was...
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James B. Riding;
Stephen Brindley;
Pascal Godefroit (2013). "A
basal thunnosaurian from Iraq
reveals disparate phylogenetic origins for
Cretaceous ichthyosaurs"...
-
James B. Riding,
Stephen Brindley and
Pascal Godefroit (2013). "A
basal thunnosaurian from Iraq
reveals disparate phylogenetic origins for
Cretaceous ichthyosaurs"...
-
Valentin Fischer and
colleagues conducted a
cladistic analysis of
thunnosaurian relationships,
including Chacaicosaurus in
their analysis. They found...
