Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Megagnostus
Taxonomy
Megagnostus was named by Robison (1994). It is not extant.
It was assigned to Agnostina by Jell and Adrain (2002); and to Condylopygoidea by Naimark and Pegel (2017).
It was assigned to Agnostina by Jell and Adrain (2002); and to Condylopygoidea by Naimark and Pegel (2017).
Species
Species lacking formal opinion data
Synonymy list
Year | Name and author |
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1994 | Megagnostus Robison |
2002 | Megagnostus Jell and Adrain p. 403 |
2017 | Megagnostus Naimark and Pegel p. 1238 |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: g = genus, o = order | |||||
References: Kiessling 2004, Whittington et al. 1997 |
Age range: base of the Menevian to the top of the Dresbachian or 504.50000 to 485.40000 Ma
Collections (6 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Menevian | Spain (Zaragoza) | M. sp. (192403) | |
Menevian | USA (Alaska) | M. laevis, M. resecta (10508) | |
Marjumian | Canada (Newfoundland and Labrador) | M. glandiformis (9695) M. resectus (9678) | |
Ayusokkanian | Kazakhstan | M. aksayensis (118165) | |
Dresbachian | Canada (Newfoundland and Labrador) | M. sp. (9692) |