Order Spionida Rouse and Fauchald 1997 (worm)

Polychaeta - Spionida

Parent taxon: Canalipalpata according to C. J. Glasby et al. 2000

Sister taxa: Polygordiidae, Protodrilidae, Protodriloididae, Sabellida, Saccocirridae, Terebellida

Subtaxa: Apistobranchidae Chaetopteridae Longosomatidae Magelonidae Poecilochaetidae Spionidae Trochochaetidae Uncispionidae

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Ecology: epifaunal detritivore

Distribution:

• Quaternary of Italy (1 collection), United States (9: California, North Carolina, Virginia)

• Pliocene of Belgium (1)

• Miocene of Germany (1), United States (5: Maryland, Texas)

• Paleocene of United States (1: Illinois)

• Cretaceous of Germany (1), United States (2: Alabama, Arizona)

• Jurassic of France (1), Portugal (1)

• Cambrian of China (1)

Total: 24 collections each including a single occurrence

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