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Placoderms (from
Ancient Gr**** πλάξ (plax, plakos) 'plate' and δέρμα (derma) 'skin') are
vertebrate animals of the
class Placodermi, an
extinct group of...
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Dunkleosteus consists of ten species, some of
which are
among the
largest placoderms ("plate-skinned") to have ever lived: D. terrelli, D. belgicus, D. denisoni...
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lepis 'scale') was a widespread,
abundant and
diverse genus of
antiarch placoderms that
lived during the
Middle to Late
Devonian period of the Paleozoic...
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record from the
Silurian by two
groups of fish: the
armoured fish
known as
placoderms,
which evolved from the ostracoderms; and the
Acanthodii (or
spiny sharks)...
- and
cartilaginous fishes, as well as
extinct prehistoric fish such as
placoderms and acanthodians. Most
gnathostomes have
retained ancestral traits like...
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including all
living cartilaginous and bony fish, as well as the
extinct placoderms and acanthodians. In a
break to the long
tradition of
grouping all fish...
- non-cryptographic hash
function mürmur, a New York City
podcast Murmur (
placoderm), a
genus of
placoderms Murmuration, a
swarming behavior of
starlings Mur Murs, do****entary...
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during the
Silurian was the
diversification of
jawed fish,
which include placoderms,
acanthodians (which gave rise to
cartilaginous fish) and osteichthyan...
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presented in 2024 is a list of new
fossil taxa of
jawless vertebrates,
placoderms,
cartilaginous fishes, bony fishes, and
other fishes that were described...
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class Placodermi.
Recent studies indicate that
Osteichthyes evolved from
placoderms like Entelognathus,
while acanthodians are more
closely related to modern...
