-
described as
transitional between the
earlier Lambeosaurus and
later Hypacrosaurus.
Hypacrosaurus was a
lambeosaurine hadrosaurid, and has been
recognized as such...
- Campanian/Maastrichtian
boundary (the last
remaining confirmed American member being Hypacrosaurus), but
continued their dominance in
Laurasia up to the end of the Cretaceous...
- lambeosaurine, thus
related to Lambeosaurus, Nipponosaurus, Velafrons,
Hypacrosaurus, and Olorotitan.
Corythosaurus has an
estimated length of 7.7–9 metres...
- form in
between Lambeosaurus and
Hypacrosaurus; in 1994 he
would name it
Hypacrosaurus stebingeri. Today,
Hypacrosaurus stebingeri is no
longer seen as...
-
found in
slightly older rocks, as well as the less well-known
genera Hypacrosaurus and Olorotitan. All had
unusual crests,
which are now
generally ****umed...
-
occurred at
different times in the
growth of
different species; in
Hypacrosaurus stebingeri it did not
occur until a
nearly adult stage,
whereas in a...
- of hadrosaurids,
referable to the
genus Hypacrosaurus,
coexisted with
Maiasaura for some time, as
Hypacrosaurus remains have been
found lower in the Two...
- the Saurolophinae. At the time, this also
included Corythosaurus and
Hypacrosaurus, the only well-known
examples of what
would become the Lambeosaurinae...
-
species of Lambeosaurus,
suggested it
could instead be a
species of
Hypacrosaurus, or
questioned its validity. In 2012 it was
named as a
separate genus...
-
permanently hinder plant growth.
Animals such as the Chasmosaurus,
Hypacrosaurus, Troodon, and
Edmontosaurus may have all
migrated north to take advantage...
