- 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...
-
numerous placoderm clades. The
margins of the
skull roof are
similar to
acanthothoracids,
however the
plate pattern is
closer to
actinolepidoids with only one...
-
small plates around the head and neck. Like the
extinct and
related acanthothoracids, and the
living and
unrelated holocephalians, most of the ptyctodontids...
-
comparatively elongated head, and
shares certain anatomical features with
acanthothoracids and
primitive arthrodires such as the actinolepids. Quasipetalichthys...
- "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...
- and the type
species is W. gavini.
Weejasperaspis differs from
other acanthothoracids in that the
median dorsal crest is short, and triangular-shaped. Its...
- (1820-1916),
French Bonapartist politician Weejasperaspis gavini, an
extinct acanthothoracid placoderm found in the
eastern Victoria,
Australia 21515 Gavini, a...
