-
subclass Theria;
those living today are in the
marsupial and
placental infraclasses.
Marsupials have a
short gestation period,
typically shorter than its...
-
Arthropoda class:
Thecostraca Subclass:
Cirripedia Burmeister, 1834
Infraclasses Acrothoracica (Gruvel, 1905)
Rhizocephala (Müller, 1862)
Thoracica (Darwin...
-
analytical artefacts. Traditionally, this
group was
divided into the
infraclasses Paleoptera and Neoptera. The
former are
nowadays strongly suspected of...
- lay eggs, and therians,
mammals which give live birth,
which has two
infraclasses: marsupials/metatherians and placentals/eutherians. See List of monotremes...
- give live
birth (therians). The
latter subclass is
divided into two
infraclasses:
pouched mammals (metatherians or marsupials), and
placental mammals...
- the
class Aves of the
clade Archosauria. It is one of the two
extant infraclasses of birds, the
other being Neognathae, both of
which form Neornithes....
-
Chondrostei and Neopterygii. The Neopterygii, in turn, is
divided into the
infraclasses Holostei and Teleostei.
During the
Mesozoic (Tri****ic, Jur****ic, Cretaceous)...
- Jean-Baptiste
Lamarck in 1818.
Leeches were
traditionally divided into two
infraclasses, the
Acanthobdellidea (primitive leeches) and the
Euhirudinea (true leeches)...
-
other millipedes belong to the
subclass Chilognatha consisting of two
infraclasses: Pentazonia,
containing the short-bodied pill millipedes, and Helminthomorpha...
- monotremes), and live
birth mammals. The
second subclass is
divided into two
infraclasses:
pouched mammals (the marsupials) and
placental mammals.
Australia is...
