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Trigonostoma (Emmonsella) smithfieldensis
Taxonomy
Trigonostoma smithfieldensis was named by Oleksyshyn (1960) [DISTRIBUTION: Pliocene-Pleistocene; Virginia-Florida.]. It is not a trace fossil.
It was recombined as Trigonostoma (Emmonsella) smithfieldensis by Olsson (1967).
It was recombined as Trigonostoma (Emmonsella) smithfieldensis by Olsson (1967).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1960 | Trigonostoma smithfieldensis Oleksyshyn pp. 101-102 figs. figs. 1, 2 |
1967 | Trigonostoma (Emmonsella) smithfieldensis Olsson p. 24 |
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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.
†Trigonostoma (Emmonsella) smithfieldensis Oleksyshyn 1960
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Diagnosis
No diagnoses are available