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Helepagetia
Taxonomy
Helepagetia was named by Jell (1975) [Sepkoski's age data: Cm uMid-m Cm uMid-u Sepkoski's reference number: 16]. It is not extant.
It was assigned to Eodiscidae by Jell and Adrain (2002); and to Agnostida by Sepkoski (2002).
It was assigned to Eodiscidae by Jell and Adrain (2002); and to Agnostida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Helepagetia Jell |
| 2002 | Helepagetia Jell and Adrain p. 383 |
| 2002 | Helepagetia Sepkoski |
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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. †Helepagetia Jell 1975
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order | |||||
| References: Kiessling 2004, Hendy 2009 | |||||
Age range: Guzhangian or 500.50000 to 497.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Guzhangian | China (Hunan) | H. bitruncula (49176) |