-
Antiarchi ("opposite ****") is an
order of
heavily armored placoderms. The
antiarchs form the second-most
successful group of
placoderms after the arthrodires...
- as
antiarchs and arthrodires. However,
through comparisons of
skull anatomies,
rhenanids are now
considered to be the
sister group of the
antiarchs. When...
- both
pectoral and
pelvic fins.
Until recently these ancestors,
known as
antiarchs, were
thought to have
lacked pectoral or
pelvic fins. In
addition to this...
-
forward his
theories on evolution.[citation needed] As with all
other antiarchs,
Pterichthyodes had
heavily armored heads and forebodies,
while their...
- is a
suborder of
antiarch placoderm fishes. The
group is
considered paraphyletic. The
cladogram is
taken from
Bothriolepid antiarchs (Vertebrata, Placodermi)...
- The
earliest members of
Bothriolepis appear by the
Middle Devonian.
Antiarchs, as well as
other placoderms, are
morphologically diverse and are characterized...
- placoderms, such as
antiarchs and arthrodires. However,
comparing the
skull anatomies of
Jagorina pandora with
those of
antiarchs, the
rhenanids are considered...
-
Onychodus from the
Middle Devonian of
Wisconsin Bothriolepis, a
diverse antiarch genus that
lived from the Mid to Late Devonian. Shark-like Cladoselache...
-
Osteostraci and the Galeaspida,
strongly suggest that B. stensioi, and also the
antiarchs, are
basal placoderms closest to the
ancestral placoderm.
Early Devonian...
-
Bothriolepididae is a
family of
antiarch placoderms,
known from the Emsian, to Famennian. The
cladogram is from "Bothriolepid
antiarchs (Vertebrata, Placodermi)...
