†family Onychopterellidae Lamsdell 2011 (eurypterid)

Eurypterida - Onychopterellidae

Parent taxon: Onychopterelloidea according to J. C. Lamsdell 2025

See also Dunlop et al. 2013

Sister taxa: none

Subtaxa: Onychopterella Tylopterella

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Type: Onychopterella

Ecology: nektobenthic carnivore

Distribution:

• Silurian of Canada (1: Ontario collection), United States (3: Illinois, Indiana)

• Ordovician of South Africa (1)

Total: 5 collections each including a single occurrence

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