Sidneyia Walcott 1911 (trilobite-like)


Parent taxon: Arachnomorpha according to D. E. G. Briggs et al. 2008

See also Bambach et al. 2007, Briggs et al. 1994 and Sepkoski 2002

Sister taxa: Alalcomenaeus, Cheliceromorpha, Dicranocaris, Emeraldella, Leanchoilia, Lemoneites, Misszhouia, Nettapezoura, Sanctacaris

Subtaxa: Sidneyia sinica

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Ecology: nektobenthic carnivore


• Cambrian of Canada (25: Brithish Columbia, British Columbia collections), United States (3: Pennsylvania, Utah)

Total: 28 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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