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Leiagnostus
Taxonomy
Leiagnostus was named by Jaekel (1909) [Sepkoski's age data: ]. It is not extant.
It was assigned to Phalacrominae by Harrington and Leanza (1957); to Agnostidae by Bao and Jago (2000); to Agnostida by Sepkoski (2002); and to Condylopygoidea by Naimark and Pegel (2017).
It was assigned to Phalacrominae by Harrington and Leanza (1957); to Agnostidae by Bao and Jago (2000); to Agnostida by Sepkoski (2002); and to Condylopygoidea by Naimark and Pegel (2017).
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1909 | Leiagnostus Jaekel p. 401 |
| 1937 | Ciceragnostus Kobayashi |
| 1957 | Ciceragnostus Harrington and Leanza |
| 1957 | Leiagnostus Harrington and Leanza |
| 1978 | Phoidagnostoides Pillet |
| 2000 | Leiagnostus Bao and Jago pp. 887, 888 |
| 2002 | Ciceragnostus Sepkoski |
| 2002 | Leiagnostus Sepkoski |
| 2017 | Leiagnostus Naimark and Pegel p. 1239 |
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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. †Leiagnostus Jaekel 1909
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†Leiagnostus inletensis Bao and Jago 2000
†Leiagnostus perinflatus Harrington and Leanza 1957
†Leiagnostus turgidulus Harrington and Leanza 1957
Invalid names: Ciceragnostus Kobayashi 1937 [synonym], Phoidagnostoides Pillet 1978 [synonym]
Diagnosis
No diagnoses are available