- The
Ornithorhynchidae /ɔːrˌnɪθəˈrɪŋkɪdiː/ are one of the two
extant families in the
order Monotremata, and
contain the
platypus and its
extinct relatives...
- The
authors compared their fossil material to the
genus Obdurodon,
ornithorhynchid species first discovered at
Australian fossil sites in 1975. Monotrematum...
-
deposition at the Two Tree Site of the
Riversleigh formations. The
ornithorhynchid species were
unknown in the
later fossil record at the time of discovery...
- ****umed that this
mandible may
belong to a new
genus and
species of stem
ornithorhynchid. The
specific epithet is
derived from the
surname of the jaw's collectors...
- (Albian, 113–108 Ma), Steropodon, Stirtodon, Kollikodon, and an
unnamed ornithorhynchid (all Cenomanian) from
Australian deposits in the Cretaceous, indicating...
- The
molar is double-rooted,
which is
plesiomorphic when
compared to
ornithorhynchids, but is a
shared characteristic with
Steropodon and Kollikodon. Subsequent...
- a sheep,
weighing probably up to 30 kg (66 lb). The
largest known ornithorhynchid is
Obdurodon tharalkooschild, it was even
larger than 70 cm (28 in)-long...
-
Genus †Monotrematum
Pascual et al. 1992 (here
considered to be a
basal ornithorhynchid;
others subjective synonym of Obdurodon) †Monotrematum sudamericanum...
- have been
discovered from
Early Cretaceous Australia: an
undescribed ornithorhynchid, Kryoryctes, Kollikodon, Ausktribosphenos, Bishops, Steropodon, and...
