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Aulacognathus bullatus
Taxonomy
Neospathognathodus bullatus was named by Nicoll and Rexroad (1968). It is a 3D body fossil.
It was recombined as Aulacognathus bullatus by Klapper and Murphy (1974); it was recombined as Aulocognathus bullatus by Cooper (1977); it was misspelled as Aulocognathus bullatus by Chen et al. (2002).
It was recombined as Aulacognathus bullatus by Klapper and Murphy (1974); it was recombined as Aulocognathus bullatus by Cooper (1977); it was misspelled as Aulocognathus bullatus by Chen et al. (2002).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1968 | Neospathognathodus bullatus Nicoll and Rexroad |
| 1974 | Aulacognathus bullatus Klapper and Murphy |
| 1977 | Aulocognathus bullatus Cooper p. 1063 |
| 2002 | Aulocognathus bullatus Chen 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.
†Aulacognathus bullatus Nicoll and Rexroad 1968
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Carroll 1988, Aberhan 1992 | |||||
Age range: base of the Niagaran to the top of the Sheinwoodian or 439.40000 to 430.60000 Ma
Collections (38 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ashgill - Wenlock | Canada (Nunavut) | Aulacognathus bullatus (188126) | |
| Ashgill - Gedinnine | Canada (Nunavut) | Aulacognathus bullatus (188160) | |
| Rhuddanian - Aeronian | Russian Federation (Siberia) | Aulacognathus bullatus (206542) | |
| Llandovery | USA (Indiana) | Neospathognathodus bullatus (180903 180908 180914 180935) | |
| Llandovery | USA (Iowa) | Aulacognathus bullatus (191068 191081) | |
| Aeronian - Telychian | Greenland | Aulacognathus bullatus (182471 182946 183005 183006 183223 183227) | |
| Aeronian - Telychian | China | Aulocognathus bullatus (197405) | |
| Aeronian - Telychian | Canada (Manitoba) | Aulacognathus bullatus (177637 177638 177648 177650 177653 177656 177677) | |
| Niagaran | Canada (Québec) | Aulacognathus bullatus (25035) | |
| Telychian | Canada (Cape Manning) | Aulacognathus bullatus (211218) | |
| Telychian | Canada (Cornwallis Island) | Aulacognathus bullatus (211099) | |
| Telychian | USA (Nevada) | Aulacognathus bullatus (180188 180189 181135) | |
| Telychian | Greenland | Aulacognathus bullatus (182433 182436 182473 183011 183014 183254) | |
| Telychian - Sheinwoodian | Greenland | Aulacognathus bullatus (182479) | |
| Sheinwoodian - Homerian | Canada (Manitoba) | Aulacognathus bullatus (177639 177649) |