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Elassonia petila
Taxonomy
Elassonia petila was named by Cooper and Grant (1976). Its type specimen is USNM 148255a, a shell (Articulated shell), and it is not a trace fossil. Its type locality is USNM702un, Split Tank, Glass Mountains, which is in a Kungurian marine limestone in the Cathedral Mountain Formation of Texas.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Elassonia petila Cooper and Grant p. 1937 figs. Pl 504, figs 17-20 |
| 1976 | Elassonia petila Cooper and Grant p. 1937 figs. Pl 504, figs 17-20 |
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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.
†Elassonia petila Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 0.811 | 0.600 | 1.00 | 0.850 | 0.171 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||