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Grandagnostus
Taxonomy
Grandagnostus was named by Howell (1935) [Sepkoski's age data: Cm uMid-u Cm Dres-u Sepkoski's reference number: 378]. It is not extant.
It was assigned to Agnostida by Sepkoski (2002); and to Agnostina by Jell and Adrain (2002).
It was assigned to Agnostida by Sepkoski (2002); and to Agnostina by Jell and Adrain (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1935 | Grandagnostus Howell |
| 2002 | Grandagnostus Jell and Adrain p. 380 |
| 2002 | Grandagnostus 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. †Grandagnostus Howell 1935
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order | |||||
| References: Whittington et al. 1997, Kiessling 2004 | |||||
Age range: base of the Boomerangian to the top of the Steptoean or 500.50000 to 493.50000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Boomerangian | Australia (Queenslandd) | G. velaevis (225252) | |
| Steptoean | Canada (British Columbia) | G. sp. 1 (219685) | |
| Merioneth | USA (Vermont) | G. sp. (217) |