Mactromeris mercedensis Packard 1916 (clam)

Bivalvia - Cardiida - Mactridae

Alternative combination: Spisula (Hemimactra) mercedensis

Full reference: E. L. Packard. 1916. Mesozoic and Cenozoic Mactrinae of the Pacific Coast of North America. University of California Publications, Bulletin of the Department of Geology 9(16):261-360

Belongs to Mactromeris according to A. J. W. Hendy 2020

See also Moore 2003 and Packard 1916

Sister taxa: Mactromeris abbotti, Mactromeris acutirostrata, Mactromeris aequilateralis, Mactromeris albaria, Mactromeris beali, Mactromeris bisculpturata, Mactromeris brevirostrata, Mactromeris capayana, Mactromeris catilliformis, Mactromeris coalingensis, Mactromeris eugenensis, Mactromeris gaviotaensis, Mactromeris hannibali, Mactromeris hemphillii, Mactromeris markleyensis, Mactromeris merriami, Mactromeris montereyana, Mactromeris mossbeachensis, Mactromeris muliniaformis, Mactromeris occidentalis, Mactromeris pittsburgensis, Mactromeris polynyma, Mactromeris ramonensis, Mactromeris rushi, Mactromeris sectoris, Mactromeris sisquocensis, Mactromeris subquadrata, Mactromeris tejonensis, Mactromeris tenuissima, Mactromeris trampasensis, Mactromeris voyi, Mactromeris weaveri

Ecology: facultatively mobile infaunal suspension feeder

Distribution: there are no occurrences of Mactromeris mercedensis in the database

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