-
Antiarchi ("opposite ****") is an
order of
heavily armored placoderms. The
antiarchs form the second-most
successful group of
placoderms after the arthrodires...
-
Pterichthyodes is a
genus of
antiarch placoderm fishes from the
Devonian period. Its
fossils have been
discovered in Scotland. They were one of the first...
- Phyllolepida, and Antiarchi, were bottom-dwellers. In particular, the
antiarchs, with
their highly modified,
jointed bony
pectoral fins, were
highly successful...
-
Bothriolepididae is a
family of
antiarch placoderms,
known from the Emsian, to Famennian. The
cladogram is from "Bothriolepid
antiarchs (Vertebrata, Placodermi)...
- Gr****: λεπίς
lepis 'scale') was a widespread,
abundant and
diverse genus of
antiarch placoderms that
lived during the
Middle to Late
Devonian period of the...
-
Onychodus from the
Middle Devonian of
Wisconsin Bothriolepis, a
diverse antiarch genus that
lived from the Mid to Late Devonian. Shark-like Cladoselache...
-
Microbrachius is an
extinct genus of tiny,
advanced antiarch placoderms closely related to the bothriolepids.
Specimens range in age from the
Lower Devonian...
-
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...
-
Microbrachiidae is an
extinct family of tiny,
advanced antiarch placoderms closely related to the bothriolepidids.
Although most
species are
known from...
-
Grossaspis is a
monotypic genus of
antiarch placoderms known from the
Givetian age of Eifel, Germany. It is
represented by the
single species, Grossaspis...
