Delthyris (Quadrifarius) (lamp shell)

Rhynchonellata - Spiriferida - Delthyrididae

Alternative spelling: Quadrifarius

Parent taxon: Delthyris according to A. Williams et al. 2006

See also Sepkoski 2002

Sister taxa: Delthyris acutilirata, Delthyris consobrina, Delthyris elegans, Delthyris elevata, Delthyris ptychodes, Delthyris pusio, Delthyris rostrata

Subtaxa: none

Ecology: stationary epifaunal suspension feeder

Distribution:

• Silurian to Devonian of Canada (2: Nova Scotia collections)

• Silurian of Canada (1: Nova Scotia), Lithuania (2), Poland (1)

Total: 6 collections including 7 occurrences

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