- and
thoracic plates that are
unique to this order.
Fossils of the
acanthothoracids are
found in
various deposits from the
Lower Devonian throughout the...
-
small plates around the head and neck. Like the
extinct and
related acanthothoracids, and the
living and
unrelated holocephalians, most of the ptyctodontids...
-
small plates around the head and neck. Like the
extinct and
related acanthothoracids, and the
living and
unrelated holocephalians, most of the ptyctodontids...
-
small plates around the head and neck. Like the
extinct and
related acanthothoracids, and the
living and
unrelated holocephalians, most of the ptyctodontids...
- "Evolutionary
origins of
teeth in
jawed vertebrates:
conflicting data from
acanthothoracid dental plates ('Placodermi')". Palaeontology. 60 (6): 829–836. Bibcode:2017Palgy...
-
Arabosteus is an
extinct genus of
palaecanthaspid placoderm that
inhabited what is now
Saudi Arabia during the
Early Devonian epoch. Its only
species is...
-
comparatively elongated head, and
shares certain anatomical features with
acanthothoracids and
primitive arthrodires such as the actinolepids. Quasipetalichthys...
- in
eastern Victoria, Australia.
Murrindalaspis differs from
other acanthothoracids by
having a
dorsal plate with a large, blade-like flattened, recurved...
- (1820-1916),
French Bonapartist politician Weejasperaspis gavini, an
extinct acanthothoracid placoderm found in the
eastern Victoria,
Australia 21515 Gavini, a...
-
discovered in 1980, it was
originally regarded as a
Weejasperaspid acanthothoracid due to
anatomical similarities with the
other species found at the...
