- in
various strata in Russia,
Central Asia, Australia, and China. All
buchanosteids tend to have
flattened (of
varying degrees depending on the genus) heads...
-
Exutaspis megista is an extinct, "giant"
buchanosteid arthrodire placoderm. Its
fossils have been
found in the Late Emsian-aged
marine strata of the Jiucheng...
-
Narrominaspis longi is an
extinct buchanosteid arthrodire placoderm. Its fossils, and
those of the acanthothoracid, Connemarraspis, have been
found in...
- now New
South Wales, Australia. It
coexisted sympatrically with
other buchanosteid genera there.
Buchanosteus guangxianensis is
known primarily from a well-preserved...
-
Burrinjucosteus asymmetricus is an
extinct buchanosteid arthrodire placoderm. Its
fossils have been
found in Emsian-aged
marine strata of New
South Wales...
-
Arenipiscis westolli is an
extinct buchanosteid arthrodire placoderm. Its
fossils have been
found in Emsian-aged
marine strata of New
South Wales, Australia...
-
Parabuchanosteus murrumbidgeensis is an
extinct buchanosteid arthrodire placoderm. Its
fossils have been
found in the Late Emsian-aged
marine strata of...
-
Errolosteus goodradigbeensis is an
extinct buchanosteid arthrodire placoderm. Its
fossils have been
found in Emsian-aged
marine strata of New
South Wales...
-
sedis of the Late
Emsian with
anatomical features suggestive of both
buchanosteids and coccosteids. With the
reappraisal of Kiangyousteus, it is now thought...
- coccosteids, but also has
anatomical features otherwise diagnostic of
buchanosteids. This mix of
anatomy lead its describer, Wang Junqing, to
suggest that...
