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Taxonomy
Spisula (Hemimactra) merriami was named by Packard (1916). It is a 3D body fossil.
It was recombined as Spisula merriami by Dickerson (1916) and Squires (1987); it was recombined as Mactromeris merriami by Moore (2003).
It was recombined as Spisula merriami by Dickerson (1916) and Squires (1987); it was recombined as Mactromeris merriami by Moore (2003).
Sister species lacking formal opinion data
Synonymy list
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Mactromeris merriami Packard 1916
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Diagnosis
No diagnoses are available