''Ciderius'' is an extinct genus of jawless fish in the family
Euphaneropidae
Euphaneropidae is an extinct family of prehistoric jawless fishes in the extinct order Euphanerida. These fishes are characterised by a greatly elongated branchial apparatus which covers most of the length of the body. Fossils are known from the ...
. It is known from the Lower Silurian of Scotland.
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Anaspidomorphi genera
Fossil taxa described in 2015
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