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Thetis Sowerby 1826 (clam)

Bivalvia - Lucinida - Mactromyidae

PaleoDB taxon number: 18335

Synonym: Fimbriella Stoliczka 1871 [objective synonym] (taxon 154795)

Parent taxon: Mactromyidae according to M. Tashiro 1988

Sister taxa: Bathycorbis, Clisocolus, Cordiula, Eolucina, Linetia, Mactromya, Mactromyopsis, Montanaria, Palaeolucina, Paracyclas, Plesiocyprinella, Sexta, Thetironia, Unicardium

Subtaxa: Thetis elongata, Thetis japonica

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Type: Thetis oblonga

Ecology: facultatively mobile infaunal chemosymbiotic