-
hypothesis suggested by F.
Robin O'Keefe and
Hallie Street in 2009 is that
aristonectines instead belong to a family—Aristonectidae—which is
unrelated to elasmosaurids...
-
anatomical features of
Mauisaurus were also
found amongst both
aristonectines and non-
aristonectine elasmosaurs,
excluding them from
being able to be used as...
-
analyses recovered this
taxon as a
basal aristonectine. However, the
alternative hypothesis that the
aristonectine traits were
convergently evolved was also...
-
between 17 and 19 in the
dentary bones (the main part of the
lower jaw).
Aristonectines teeth are more
numerous but are
considerably smaller,
having a homodont...
-
between basal aristonectines, such as
Kimmerosaurus and
Tatenectes (both no
longer considered aristonectines) and
derived aristonectines, such as Aristonectes...
-
structure and an A-shaped
squamosal arch. However, it
differs from
other aristonectines in its
smaller skull,
different paroccipital processes, and different...
- Antarctica: New
information on
elasmosaurid body size
diversity and
aristonectine evolutionary scenarios".
Cretaceous Research. 102: 37–58. Bibcode:2019CrRes...
-
updated version of this
phylogenetic matrix, with
Marambionectes as the
aristonectine outgroup.
These results are
shown in the
cladogram below. The ⊞ button...
- Sciences. 29 (3): 47–144. O'Gorman, J. P. (2016). "A
Small Body
Sized Non-
Aristonectine Elasmosaurid (Sauropterygia, Plesiosauria) from the Late Cretaceous...
- the López de
Bertodano Formation: new data on the
evolution of the
aristonectine morphology".
Journal of
Systematic Palaeontology. 22 (1). Bibcode:2024JSPal...
