- a
sister group to Leptocleididae. They are
known as
false pliosaurs.
Polycotylids first appeared during the
Albian stage of the
Early Cretaceous, before...
-
affinities of
Sulcusuchus erraini and the Late
Cretaceous cir****-pacific
polycotylid diversity".
Cretaceous Research. 140: 105339. Bibcode:2022CrRes.14005339O...
-
approximately 2.3–2.6
metres (7.5–8.5 ft) long.
Adult individuals of
other small polycotylids such as
Dolichorhynchops and
Scalamagnus were
closer to 3
metres (9.8 ft)...
- ****ociated with 289 gastroliths,
which is
unusual in
comparison to most
polycotylid skeletons that
generally lack gastroliths.
Ranging from less than 0.1...
-
polycotyline polycotylids Trinacromerum and Dolichorhynchops. However,
several features separate Mauriciosaurus from all
other polycotylids, warranting...
-
pliosaurs and a
decrease in
polycotylid diversity. The
study noted converging traits between Tylosaurus, pliosaurs, and some
polycotylids in
tooth morphology...
- (neck) vertebrae,
which is an
unusually high
number compared to
other Polycotylids, such as Dolichorhynchops,
which had only 19 neck vertebrae, and Polycotylus...
- hesperornithids, and
plesiosaurs including elasmosaurs such as
Terminonatator and
polycotylids like
Dolichorhynchops maintained their presence until around the end...
-
Plesiosaurs include two
elasmosaurs (Kawanectes and Chubutinectes) and a
polycotylid (Sulcusuchus).
Mammals are
represented by
Reigitherium bunodontum and...
-
plesiosaurs based on neck length.
While polycotylids had
previously been part of the Pliosauroidea,
Carpenter moved polycotylids to
become the
sister group of the...
