- with the
brachiosaurids and relatives,
titanosaurs make up the
larger sauropod clade Titanosauriformes.
Titanosaurs have long been a poorly-known group,...
- Still,
Patagotitan is one of the most-known
titanosaurs, and so its
interrelationships with
other titanosaurs have been
relatively consistent in phylogenetic...
-
trackway evidence.
Titanosaurs may have lost the
thumb claw
completely (with the
exception of
early forms, such as Janenschia).
Titanosaurs were most unusual...
-
fossil remains. Two
partial caudal vertebrae belonging to
saltasauroid titanosaurs are also
known from the formation, but were not
referred to Titanomachya...
-
osteoderms is
unknown within the
titanosaurs. It may be this
trait has
developed multiple times independently within the
titanosaurs and Lithostrotia, as osteoderms...
-
Alamosaurus is
descended from
South American titanosaurs.
Alamosaurus is
closely related to
South American titanosaurs, such as Pellegrinisaurus. Alamosaurus...
- in most
derived titanosaurs.
There is no
indication of a hyposphene-hypantrum articulation, a
diagnostic feature of
derived titanosaurs.
Shared with Opisthocoelicaudia...
-
gigantic titanosaurs,
Argentinosaurus and Chucarosaurus. The
three are not
closely related to one another,
which means that
giant titanosaurs evolved multiple...
-
other titanosaurs, the
saltasaurids where a widespread,
successful group that
colonized all
continents in the Cretaceous. Like all
titanosaurs, the saltasaurids...
- and tail of
Argentinosaurus after those of
other large South American titanosaurs. Paul
estimated a body m**** of 80–100
tonnes (88–110
short tons) for...
