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Entelognathus primordialis (“primordial
complete jaw”) is an
early placoderm from the late
Silurian (Ludlow epoch) of Qujing, Yunnan, 419
million years...
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Recent studies indicate that
Osteichthyes evolved from
placoderms like
Entelognathus,
while acanthodians are more
closely related to
modern chondrichthyes...
- bony fish and tetrapods. Qilinyu, a
close relative of
Entelognathus that
further links Entelognathus as a
transitional form
between placoderms and other...
- present-day gnathostomes. A 419-million-year-old
fossil of a
placoderm named Entelognathus had a bony
skeleton and
anatomical details ****ociated with cartilaginous...
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Xiaoxiang fauna of the
Kuanti Formation.
Along with its
contemporary Entelognathus,
Qilinyu is an
unusual placoderm showing some
traits more
similar to...
- are
considered to have
evolved from acanthodians. The
discovery of
Entelognathus and
several examinations of
acanthodian characteristics indicate that...
-
paraphyletic ****emblage
leading to more
derived gnathostomes, the
discovery of
Entelognathus suggests that
placoderms are
directly ancestral to
modern bony fish...
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characteristics in its braincase. However, a
newly described Silurian placoderm,
Entelognathus,
which has jaw
anatomy shared with bony fish and tetrapods, has led...
-
oldest known placoderm from the
early Silurian (Telychian) of
China Entelognathus primordialis was a
Placoderm fish from the late
Silurian Acacus Sandstone...
- †
Entelognathus ...
