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Krotovia oregonensis
Taxonomy
Avonia oregonensis was named by Cooper (1957). Its type specimen is USNM 125323 and is a 3D body fossil. Its type locality is UO 2204-3, Coyote Butte, Grindstone-Twelvemile Creek area, which is in a Kungurian marine limestone/sandstone in the Coyote Butte Formation of Oregon.
It was recombined as Krotovia oregonensis by Bamber and Waterhouse (1971).
It was recombined as Krotovia oregonensis by Bamber and Waterhouse (1971).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Avonia oregonensis Cooper p. 31 figs. Pl 2, figs 13-24 |
| 1971 | Krotovia oregonensis Bamber and Waterhouse figs. Pl 12, fig 15 |
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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.
†Krotovia oregonensis Cooper 1957
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013, Williams et al. 2000 | |||||
Collections (22 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian | Canada (Yukon) | Krotovia oregonensis (121748) | |
| Leonardian | USA (Oregon) | Avonia oregonensis (129169) | |
| Kungurian | USA (Oregon) | Avonia oregonensis (40962 40969 40970 40972 40973 40975 40977 41228 41229 41244 41245 41250 41253 41255 41256 41267 41275 41277 41278 129199) |