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Ptychagnostus intermedius
Taxonomy
Agnostus intermedius was named by Tullberg (1880). It is not extant.
It was recombined as Ptychagnostus intermedius by Robison (1984).
It was recombined as Ptychagnostus intermedius by Robison (1984).
Synonymy list
| Year | Name and author |
|---|---|
| 1880 | Agnostus intermedius Tullberg |
| 1984 | Ptychagnostus intermedius Robison |
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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.
†Ptychagnostus intermedius Tullberg 1880
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family | |||||
| Reference: Hendy 2009 | |||||
Collections (22 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cambrian | Argentina (Mendoza) | Ptychagnostus intermedius (200107) | |
| Delamaran | USA (Utah) | Ptychagnostus intermedius (10566) | |
| Amgan | USA (Utah) | Ptychagnostus intermedius (225065 225070) | |
| Solvan | Canada (Newfoundland and Labrador) | Ptychagnostus intermedius (10826) | |
| Middle Cambrian | USA (Nevada) | Ptychagnostus intermedius (156500 156501 156502) | |
| Middle Cambrian | USA (Utah) | Ptychagnostus intermedius (86728 86730 86735 86736 156505 156507) | |
| St Davids | Greenland | Ptychagnostus intermedius (10478) | |
| Tuesaian | Kazakhstan | Ptychagnostus intermedius (9966 9967 9969 118054 118085 118086) | |
| Floran | Australia (Queensland) | Ptychagnostus intermedius (90972) |