Entelognathus

Entelognathus primordialis (“primordial complete jaw”) is an early placoderm from the late Silurian (Ludlow epoch) of Qujing, Yunnan, 419 million years ago.

Entelognathus primordialis
Temporal range: Late Silurian
Holotype, Paleozoological Museum of China
Life reconstruction of Entelognathus primordialis
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Placodermi
Order: incertae sedis
Genus: Entelognathus
Zhu et al., 2013
Species:
E. primordialis
Binomial name
Entelognathus primordialis
Zhu et al., 2013

A team led by Min Zhu of the Academy of Sciences' Institute of Vertebrate Paleontology and Paleoanthropology in Beijing discovered the intact, articulated fossil in rock formations at Xiaoxiang reservoir.

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