Numericoma Popov 1980 (lamp shell)

Lingulata - Acrotretida - Ephippelasmatidae

Parent taxon: Ephippelasmatidae according to J. Hansen and L. E. Holmer 2011

See also Holmer 1986, Holmer 1989, Sepkoski 2002 and Williams et al. 2000

Sister taxa: Aipyotreta, Akmolina, Ephippelasma, Ghavidelia, Lurgiticoma, Mamatia, Myotreta, Pomeraniotreta, Rhinotreta, Veliseptum

Subtaxa: Numericoma ornata Numericoma perplexa Numericoma proclina Numericoma simplex Numericoma spinosa

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Type: Numericoma ornata

Ecology: stationary epifaunal suspension feeder

Distribution:

• Uhaku of Sweden (5 collections)

• Ordovician of Argentina (1), Iran (1), Kazakhstan (1), Norway (15), Sweden (8)

Total: 31 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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