-
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...
-
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...
- The
cursor gr**** mouse, or
cursorial akodont (Akodon cursor), is a
sigmodontine rodent from
South America. The
cursor gr****
mouse is a
moderately sized...
-
exceptionally large rat, it's very big and the
largest living species of
sigmodontine rodent, with
short limbs and
powerful claws. Nonetheless, individuals...
-
Atlantic from
Africa over 30
million years ago. More recently,
ancestral sigmodontine rodents apparently island-hopped from
Central America 5
million or more...
-
rafting or island-hopping hog-nosed
skunks and
sigmodontine rodents. The
oryzomyine tribe of
sigmodontine rodents went on to
colonize the
Lesser Antilles...
- Pardiñas’
Andean mouse (Thomasomys pardignasi) is a
species of
sigmodontine rodent in the
family Cricetidae known from the
Cordillera del Cóndor and Cordillera...
- 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...
