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Geragnostus fabius
Taxonomy
Agnostus fabius was named by Billings (1865) [Lectotype selected by Whittington 1965]. Its type specimen is GSC 704c (lectotype), a cephalon/head, and it is a mold.
It was recombined as Geragnostus fabius by Whittington (1965).
It was recombined as Geragnostus fabius by Whittington (1965).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1865 | Agnostus fabius Billings p. 298 fig. 289 |
| 1965 | Geragnostus fabius Whittington p. 302 |
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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.
†Geragnostus fabius Billings 1865
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order | |||||
| References: Kiessling 2004, Hendy 2009 | |||||
Age range: Whiterockian or 471.30000 to 457.30000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chazyan | Canada (Newfoundland and Labrador) | Geragnostus fabius (104861) | |
| Whiterockian | Canada (Newfoundland and Labrador) | Geragnostus fabius (104862 104867 104868) Trinodus fabius (104813 104817 104855 104864) |