- and
thoracic plates that are
unique to this order.
Fossils of the
acanthothoracids are
found in
various deposits from the
Lower Devonian throughout the...
-
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...
-
small plates around the head and neck. Like the
extinct and
related acanthothoracids, and the
living and
unrelated holocephalians, most of the ptyctodontids...
- in
eastern Victoria, Australia.
Murrindalaspis differs from
other acanthothoracids by
having a
dorsal plate with a large, blade-like flattened, recurved...
- and the type
species is W. gavini.
Weejasperaspis differs from
other acanthothoracids in that the
median dorsal crest is short, and triangular-shaped. Its...
-
extinct buchanosteid arthrodire placoderm. Its fossils, and
those of the
acanthothoracid, Connemarraspis, have been
found in the late Lochkovian-aged marine...
- (1820-1916),
French Bonapartist politician Weejasperaspis gavini, an
extinct acanthothoracid placoderm found in the
eastern Victoria,
Australia 21515 Gavini, a...
-
small plates around the head and neck. Like the
extinct and
related acanthothoracids, and the
living and
unrelated holocephalians, most of the ptyctodontids...
-
Radotina is an
extinct genus of
placoderm from the
early Devonian of Europe.
Paleontology portal Dinosaurs to Dodos: An
Encyclopedia of
Extinct Animals...
