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Tancredia americana
Taxonomy
Hettangia americana was named by Meek and Hayden (1857) [DISTRIBUTION: Campanian; Western Interior.]. It is not a trace fossil.
It was recombined as Tancredia americana by Russell and Landes (1937).
It was recombined as Tancredia americana by Russell and Landes (1937).
Subspecies
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1857 | Hettangia americana Meek and Hayden p. 274 |
| 1937 | Tancredia americana Russell and Landes p. 153 |
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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.
†Tancredia americana Meek and Hayden 1857
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†Tancredia americana cupressensis Russell and Landes 1937
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Diagnosis
No diagnoses are available