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Mactrotoma Dall 1894 (surfclam)

Bivalvia - Veneroidei - Mactridae

PaleoDB taxon number: 120906

Alternative spelling: Mactra (Mactrotoma)

Synonyms: Mactra (Micromactra) Dall 1894 (no. 92356), Mactroderma Dall 1894 (no. 293166), Mactrotoma (Micromactra) Dall 1894 (no. 168087), Micromactra Dall 1894 (no. 92355)

Parent taxon: Mactridae according to E. V. Coan and P. Valentich-Scott 2012

Sister taxa: Darcinia, Darininae, Hemimactra, Leptomactra, Longimactra, Lutrariinae, Mactrinae, Mactromeris, Mactropsis, Mulinia, Pteroluter, Pteropsis, Rangia, Scissodesma, Simomactra, Spisula, Tanysiphoninae, Willimactra, Zenatiinae, Gnathodon

Subtaxa: Mactrotoma angusta, Mactrotoma californica, Mactrotoma fragilis, Mactrotoma isthmica, Mactrotoma nasuta, Mactrotoma quirosana, Mactrotoma velata

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Type: Mactra fragilis

Ecology: facultatively mobile infaunal suspension feeder