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Platyceras symmetricum
Taxonomy
Platyceras symmetricum was named by Hall (1862). It is not extant.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1862 | Platyceras symmetricum Hall |
1879 | Platyceras symmetricum Hall figs. pl. 3 f. 17, 19-25 |
1913 | Platyceras symmetricum Prosser and Kindle pp. 297 - 298 figs. pl. 37 f. 6 |
2023 | Platyceras symmetricum Wagner p. 667 |
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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.
†Platyceras symmetricum Hall 1862
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: g = genus, f = family, superf = superfamily, c = class | |||||
References: Aberhan et al. 2004, Knight et al. 1960, Batten 1984, Kiessling 2004 |
Collections
No collection or age range data are available