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Metorthonema
Taxonomy
Metorthonema was named by Erwin (1988) [Sepkoski's age data: P Asse Sepkoski's reference number: 787].
It was assigned to Turritellidae by Erwin (1988); to Orthonemidae by Nützel and Bandel (2000); to Neotaenioglossa by Sepkoski (2002); and to Orthonematidae by Mazaev (2011) and Wagner (2023).
It was assigned to Turritellidae by Erwin (1988); to Orthonemidae by Nützel and Bandel (2000); to Neotaenioglossa by Sepkoski (2002); and to Orthonematidae by Mazaev (2011) and Wagner (2023).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Metorthonema Erwin p. 570 |
| 2000 | Metorthonema Nützel and Bandel |
| 2002 | Metorthonema Sepkoski |
| 2011 | Metorthonema Mazaev p. 1562 |
| 2023 | Metorthonema Wagner p. G1581 |
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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.
G. †Metorthonema Erwin 1988
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†Metorthonema distortum Erwin 1988
†Metorthonema sinistrale Erwin 1988
Diagnosis
No diagnoses are available