- Sirenidae, the sirens, are a
family of
neotenic aquatic salamanders.
Family members have very
small fore
limbs and lack hind
limbs altogether. In one species...
-
primitive while others are derived.
Fertilisation is
likely to be
external as
sirenids lack the
cloacal glands used by male
salamandrids to
produce ****top****s...
- and
commonly pre**** upon fish, sea turtles,
cetaceans (e.g. whales), and
sirenids.
There is also
potential evidence that
Otodus hunted raptorial sperm whales;...
-
frequently feeding on slow-moving
animals like snails,
shrimps and worms,
sirenids are
unique among salamanders for
having developed speciations towards herbivory...
-
Extinct in the wild (EW): 2
species Critically endangered (CR): 545
species Endangered (EN): 848
species Vulnerable (VU): 670
species Near threatened...
-
Dakota Middle to
upper **** Cr****
Formation 6
specimens Habrosaurus is a
sirenid amphibian.
Lisserpeton L.
bairdi Montana Opisthotriton O. kayi Montana...
- †Habrosaurus
prodilatus Campanian Dinosaur Park Formation,
Alberta A
large sirenid,
about the size of a ****bender. The
palate is
specialized for crushing...
-
Pseudobranchus and
Siren which are the only
genera in the
family Sirenidae.
Sirenids are
classified by
their neotenous traits (complete lack of
hindlimbs and...
- and
commonly pre**** upon fish, sea turtles,
cetaceans (e.g. whales), and
sirenids.
There is also
potential evidence that
Otodus hunted raptorial sperm whales;...
-
Lance Formation, Wyoming, USA **** Cr**** Formation, Montana, USA A
large sirenid,
about the size of a ****bender. The
palate is
specialized for crushing...
