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Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Nymphactra jonasseni was named by Stilwell and Zinsmeister (1992) [DISTRIBUTION: Eocene; Seymour Island, Antarctica.]. Its type specimen is USNM 441633, a shell, and it is not a trace fossil. It is the type species of Nymphactra.
Synonymy list
Year | Name and author |
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1992 | Nymphactra jonasseni Stilwell and Zinsmeister p. 76 |
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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.
†Nymphactra jonasseni Stilwell and Zinsmeister 1992
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Diagnosis
No diagnoses are available