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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...
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forward his
theories on evolution.[citation needed] As with all
other antiarchs,
Pterichthyodes had
heavily armored heads and forebodies,
while their...
- The
earliest members of
Bothriolepis appear by the
Middle Devonian.
Antiarchs, as well as
other placoderms, are
morphologically diverse and are characterized...
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possessed two
pairs of
paired fins.
Until recently these ancestors,
known as
antiarchs, were
thought to have
lacked pectoral or
pelvic fins. In
addition to this...
- placoderms, such as
antiarchs and arthrodires. However,
comparing the
skull anatomies of
Jagorina pandora with
those of
antiarchs, the
rhenanids are considered...
- is a
suborder of
antiarch placoderm fishes. The
group is
considered paraphyletic. The
cladogram is
taken from
Bothriolepid antiarchs (Vertebrata, Placodermi)...
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Bothriolepididae is a
family of
antiarch placoderms,
known from the Emsian, to Famennian. The
cladogram is from "Bothriolepid
antiarchs (Vertebrata, Placodermi)...
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different from the
pelvic girdle and
pelvic fin. In
other more
derived antiarchs such as
asteolepidoids and bothriolepioids,
there is a
complete lack of...
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regular and prismatic. Like many
antiarchs,
Grossaspis were
likely bottom feeders. However,
while most
antiarchs predominantly inhabited freshwater...
