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Sphenotomorpha rigidula
Taxonomy
Sphenotomorpha rigidula was named by Williams and Berger (1916) [DISTRIBUTION: Early Devonian; Maine.]. It is not a trace fossil. It is the type species of Spathella.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1916 | Sphenotomorpha rigidula Williams and Berger p. 233 |
| 1969 | Sphenotomorpha rigidula Cox et al. p. N399 |
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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.
†Sphenotomorpha rigidula Williams and Berger 1916
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009 | |||||
Collections
No collection or age range data are available