-
Interchange near the end of the Miocene,
about 5
million years ago.
Sigmodontines proceeded to
diversify explosively in the
formerly isolated continent...
-
invasion of
sigmodontines preceded formation of the land
bridge by at
least several million years,
probably occurring via rafting.
Sigmodontines diversified...
- The Kutukú rat (Mindomys kutuku) is a
species of
sigmodontine rodent in the
tribe Oryzomyini found in the
isolated Kutukú
Mountains of
eastern Ecuador...
- very
similar to
Chilomys fumeus in size and appearance. Both are
small sigmodontines, with a head-and-body
length of 72 to 102 mm (2.8 to 4.0 in) and a tail...
- Franck; Ortiz,
Pablo E.; Pardiñas,
Ulyses F.J. (March 2019). "The
oldest sigmodontine rodent revisited and the age of the
first South American cricetids"....
- ; González, E.M.; Pardiñas, U.F.J. (2003). "Phylogenetic
analysis of
sigmodontine rodents (Muroidea), with
special reference to the
akodont genus Deltamys"...
-
archipelago is also an
important site for
breeding seabirds. An
endemic sigmodontine rodent (Noronhomys vespuccii),
mentioned by
Amerigo Vespucci, is now...
- J.; Ortiz, P. E. (2021). "New
craniodental material of the
extinct sigmodontine Olympicomys (Rodentia, Cricetidae)
allows a
discussion of its tribal...
-
genus Gyldenstolpia. They are
relatively large in
relation to
other sigmodontines.
Gyldenstolpia fronto is the
larger of the two and
displays a semi-fossorial...
- curioi, also
known as the Galápagos
giant rat, is an
extinct species of
sigmodontine rodent,
known only from
Santa Cruz
Island in the Galápagos Islands. It...
