| Neltneria Temporal range: Late Atdabanian  [1]   | |
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| Genus: | Neltneria  | 
Neltneria is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the late Atdabanian stage, [1] which lasted from 530 to 524 million years ago during the early part of the Cambrian Period.