Tetratylus (ostracod)

Ostracoda - Platycopida - Cavellinidae

Parent taxon: Cavellinidae according to R. H. Benson et al. 1961

See also Sepkoski 2002

Sister taxa: Bektasia, Birdsallela, Cavellina, Chapmanites, Menoeidina, Neckajatia, Paracavellina, Platychilella, Recytellinae, Sulcella, Ussuricavininae, Voronina

Subtaxa: none

Ecology: epifaunal detritivore-suspension feeder

Distribution: found only at USNM 1339A. Sam Eidson's Stillhouse, 9 miles north east of Fayetteville (Carboniferous of Arkansas)

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