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Taxonomy
Acila muta was named by Clark (1918) [DISTRIBUTION: Late Oligocene; Pacific Coast, North America.]. Its type specimen is UCMP 11196, a shell, and it is a 3D body fossil. Its type locality is UCMP loc. 1131, Walnut Creek, which is in an Oligocene marine horizon in California.
It was recombined as Acila (Truncacila) muta by Durham (1944), Addicott (1973) and Moore (1983).
It was recombined as Acila (Truncacila) muta by Durham (1944), Addicott (1973) and Moore (1983).
Subspecies
Sister species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1918 | Acila muta Clark pp. 119-120 figs. pl. 13, figs. 6, 12, 13 |
1918 | Acila muta markleyensis Clark p. 121 figs. Plate 13, figure 3 |
1944 | Acila (Truncacila) muta Durham p. 134 |
1973 | Acila (Truncacila) muta Addicott p. 22 |
1983 | Acila (Truncacila) muta Moore pp. A11 - A12 figs. Plate 1, figures 19, 20 |
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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.
†Acila (Truncacila) muta Clark 1918
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†Acila muta markleyensis Clark 1918
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Diagnosis
No diagnoses are available