Pseudoniscidae is an extinct family of synziphosurine chelicerates that lived in the Silurian.

Pseudoniscidae is classified inside the clade Planaterga, alongside Bunodidae and Dekatriata (chasmataspidids, eurypterids and arachnids).

[1] Pseudoniscidae is composed by two genera, Cyamocephalus and Pseudoniscus (the type genus).

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