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Taxonomy
Cardium diversum was named by Conrad (1848) [DISTRIBUTION: Early Olgocene; Gulf Coastal Plain.]. Its type specimen is ANSP 30651, a shell, and it is a 3D body fossil. Its type locality is Vicksburg, which is in a Rupelian marine marl in the Byram Marl Formation of Mississippi.
It was recombined as Protocardia diversa by Gabb (1862); it was recombined as Cardium (Protocardium) diversum by de Gregorio (1890); it was recombined as Protocardium diversa by Cooke (1923); it was recombined as Nemocardium diversum by Mansfield (1940) and Gardner (1945); it was recombined as Nemocardium (Nemocardium) diversum by Dockery (1982).
It was recombined as Protocardia diversa by Gabb (1862); it was recombined as Cardium (Protocardium) diversum by de Gregorio (1890); it was recombined as Protocardium diversa by Cooke (1923); it was recombined as Nemocardium diversum by Mansfield (1940) and Gardner (1945); it was recombined as Nemocardium (Nemocardium) diversum by Dockery (1982).
Subspecies
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1848 | Cardium diversum Conrad p. 292 |
| 1862 | Protocardia diversa Gabb p. 370 |
| 1890 | Cardium (Protocardium) diversum de Gregorio p. 216 |
| 1923 | Protocardium diversa Cooke p. 81 |
| 1940 | Nemocardium diversum Mansfield p. 195 |
| 1945 | Nemocardium diversum Gardner p. 105 |
| 1982 | Nemocardium (Nemocardium) diversum Dockery p. 73 |
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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.
†Nemocardium (Nemocardium) diversum Conrad 1848
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†Nemocardium diversum waynense Mansfield 1940
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Diagnosis
No diagnoses are available