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Youngina (named
after John
Young (1823–1900)) is an
extinct genus of
diapsid reptile from the Late
Permian Beaufort Group (Tropidostoma-Dicynodon zones)...
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closely related to "Younginiformes" (later, more specifically,
emended to
Youngina capensis) than to
Petrolacosaurus (representing Araeoscelidia). The earliest...
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seven partial individuals originally described as
juveniles of the
related Youngina. To test the
relationships of Akkedops, Mooney,
Scott &
Reisz (2025) scored...
- and Claudiosaurus,
Carroll noted similarities between Thadeosaurus and
Youngina, but
opted to
describe it as a 'primitive' sauropterygian—an 'ancestral...
- Acerosodontosaurus, Hovasaurus, Kenyasaurus, Tangasaurus,
Thadeosaurus and
Youngina) were
historically suggested to be lepidosauromorphs, but are currently...
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pineal foramen (Broom, 1914).
Broom coined the term as a new
suborder for
Youngina. A
definition for
inclusion in the
order is difficult: it is
almost easier...
- lizard-like in build, and had
skulls rather similar to the
early diapsid Youngina,
except for the beak and a few
other features.
Later and more advanced...
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Scymnosaurus Simorhinella Stereosternum Theriognathus Thliptosaurus Trochosaurus Youngina Beaufort Group Aelurosaurus Anomocephalus Basilodon Blattoidealestes Brachyprosopus...
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Scymnosaurus Simorhinella Stereosternum Theriognathus Thliptosaurus Trochosaurus Youngina Beaufort Group Aelurosaurus Anomocephalus Basilodon Blattoidealestes Brachyprosopus...
- The
cladogram below follows Xu and
colleagues (2022), when they used
Youngina as a
reference point for
rooting the tree.
Using a
selection of placodonts...
