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Teleosauroidea is an
extinct superfamily of
thalattosuchian crocodyliforms living from the
Early Jur****ic to the
Early Cretaceous. It is phylogenetically...
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contains two
major subgroupings, the
Teleosauroidea and Metriorhynchoidea.
Teleosauroids are not
greatly specialised for
oceanic life, with back
osteoderms similar...
- Teleosauroidea. However, as
teleosauroid relationships and
diversity was
better studied in the 21st century, the
division of
teleosauroids into two
distinct evolutionary...
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larger than the teleosaurids.
Machimosauridae is a
diverse group of
teleosauroids,
phylogenetically defined in the
PhyloCode by Mark T.
Young and colleagues...
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paraphyletic or
polyphyletic with
respect to each
other and
other genera of
teleosauroids). The type species, S. rostromajor, was only
formally recognised as...
- the
Middle Jur****ic
Callovian of
England and France. Like many
other teleosauroids from Europe, it has had a
convoluted taxonomic history. "Steneosaurus"...
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hypothesis is
still a
matter of debate.
European teleosauroids did
indeed suffer total extinction, but
teleosauroids as a
whole survived into the
Early Cretaceous...
- ; Sachs, S.; Young, M. T.; Abel, P. (2025). "A re-description of the
teleosauroid Macrospondylus bollensis (Jaeger, 1828) from the
Posidonienschiefer Formation...
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formally recognised in 2019. Its
snout was not as
elongated as some
other teleosauroids (mesorostrine), and the
shape of its jaws and
teeth suggest that it...
- Portugal,
Switzerland and Tunisia.
Machimosaurus rex is the
largest named teleosauroid and thalattosuchian, with an
estimated length of up to 7.15 m (23.5 ft)...
