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Phalagnostus
Taxonomy
Phalagnostus was named by Howell (1955) [Sepkoski's age data: ]. It is not extant.
It was assigned to Agnostida by Sepkoski (2002); and to Agnostidae by Jell and Adrain (2003).
It was assigned to Agnostida by Sepkoski (2002); and to Agnostidae by Jell and Adrain (2003).
Species
Sister genera
Acmarhachis (syn. Cyclagnostus), Acutatagnostus, Agnostardis, Agnostus, Ammagnostus (syn. Agnostoglossa, Tentagnostus), Biciragnostus, Connagnostus, Eurudagnostus, Formosagnostus, Glyptagnostus, Gymnagnostus, Hadragnostus (syn. Kunshanagnostus), Homagnostus, Idolagnostus, Innitagnostus, Ivshinagnostus, Kormagnostella (syn. Litagnostoides), Kormagnostus, Leiagnostus (syn. Phoidagnostoides), Lotagnostus, Micragnostus, Neoagnostus (syn. Pseudorhaptagnostus, Hyperagnostus), Oncagnostus, Oxyagnostus, Proagnostus (syn. Agnostascus), Quadrahomagnostus, Strictagnostus, Trilobagnostus
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Synonyms
|
Synonymy list
| Year | Name and author |
|---|---|
| 1955 | Phalagnostus Howell |
| 1962 | Phalacromina Kobayashi |
| 2002 | Phalagnostus Sepkoski, Jr. |
| 2003 | Phalagnostus Jell and Adrain p. 424 |
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