†subfamily Syntrophiinae Schuchert 1896 (lamp shell)

Rhynchonellata - Pentamerida - Syntrophiidae

Parent taxon: Syntrophiidae according to A. Williams et al. 2002

Sister taxon: Xenelasmatinae

Subtaxa: Syntrophia

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Type: Syntrophia

Ecology: stationary epifaunal suspension feeder

Distribution:

• Silurian of Bolivia (1 collection)

• Arenig of China (2)

• Ordovician of Argentina (4), Canada (1: Alberta), China (1)

Total: 9 collections each including a single occurrence

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