- species. The
Protosirenidae (Eocene
sirenians) and
Prorastomidae (terrestrial
sirenians)
families are extinct.
Sirenians are
classified in the
clade Paenungulata...
- time. The
first appearance of
sirenians in the
fossil record was
during the
early Eocene, and by the late Eocene,
sirenians had
significantly diversified...
-
Sirenian S****s is an EP by the
Norwegian gothic metal band Sirenia. It was
released on 11
October 2004 by
Napalm Records. It is the last work recorded...
- to
modern sirenians. Steller's sea cows are
reported to have
grown to 8 to 9 m (26 to 30 ft) long as adults, much
larger than
extant sirenians. In 1987...
-
adipose tissue under the skin of all cetaceans, pinnipeds, penguins, and
sirenians. It was
present in many
marine reptiles, such as
ichthyosaurs and plesiosaurs...
- the
giant "hyracoids" (common
ancestors to the hyraxes, elephants, and
sirenians)
evolved in
different ways. Some
became smaller, and
evolved to become...
- m****
increase (BMI) is
known in a
variety of
other marine mammals like
sirenians and from some
other basilosaurids — namely,
members of the
subfamily Pachycetinae...
-
sirenians, 133
parallel amino acid
substitutions occur.
Comparing and
contrasting cetaceans-pinnipeds, cetaceans-
sirenians, and pinnipeds-
sirenians,...
-
Several groups of
tetrapods have
undergone secondary aquatic adaptation, an
evolutionary transition from
being purely terrestrial to
living at
least part...
-
Trichechidae is a
family of
sirenians that
includes all
living manatees and
several extinct genera.
Trichechidae †Miosireninae †Anomotherium †Anomotherium...
