Rhactorthis Williams 1963 (lamp shell)

Rhynchonellata - Orthida - Rhactorthidae

Parent taxon: Rhactorthidae according to A. Williams et al. 2000

See also Owen and Harper 1982, Sepkoski 2002 and Wright 1964

Sister taxa: Aberia, Eripnifera

Subtaxa: Rhactorthis crassa

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Type: Rhactorthis crassa

Ecology: stationary epifaunal suspension feeder

Distribution:

• Ordovician of China (1 collection), Estonia (3), France (1), Ireland (3), Lithuania (2), Norway (4), Portugal (2), the United Kingdom (15)

Total: 31 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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