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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Geragnostus (Novoagnostus)
Taxonomy
Geragnostus (Novoagnostus) was named by Nielsen (1997).
It was assigned to Geragnostus by Nielsen (1997), Fortey et al. (2024).
It was assigned to Geragnostus by Nielsen (1997), Fortey et al. (2024).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1997 | Geragnostus (Novoagnostus) Nielsen |
| 2024 | Geragnostus (Novoagnostus) Fortey et al. |
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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.
Subg. †Geragnostus (Novoagnostus) Nielsen 1997
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†Geragnostus (Novoagnostus) contractus Zhou et al. 2014
†Geragnostus (Novoagnostus) longicollis Raymond 1925
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order | |||||
| References: Hendy 2009, Kiessling 2004 | |||||
Age range: base of the Blackhillsian to the top of the Whiterockian or 475.30000 to 457.30000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Blackhillsian | USA (California) | Geragnostus longicollis (40732) | |
| Chazyan | Canada (Newfoundland and Labrador) | Geragnostus longicollis (104807 104861) | |
| Whiterockian | Canada (Newfoundland and Labrador) | Geragnostus longicollis (104813 104817 104862) | |
| Llanvirn | Canada (Northwest Territories) | Geragnostus longicollis (25753) | |
| Sandbian | China (Xinjiang) | Geragnostus contractus (188341 188342 188343) | |
| Sandbian | China (Gansu) | Geragnostus longicollis (182201) |