†family Oligorhynchiidae Cooper 1956 (lamp shell)

Rhynchonellata - Rhynchonellida - Oligorhynchiidae

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

See also Bassett and Cocks 1974, Popov et al. 2000 and Rubel and Rozman 1977

Sister taxa: Ancistrorhynchidae, Niorhynicidae, Sphenotretidae

Subtaxa: Oligorhynchia Paraoligorhyncha Tonsella

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Ecology: stationary epifaunal suspension feeder


• Devonian of Argentina (1 collection)

• Silurian of the United Kingdom (1)

• Ordovician of Kazakhstan (4), the United Kingdom (4), United States (3: Tennessee, Virginia)

Total: 13 collections each including a single occurrence

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