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Preprismatoolithus coloradensis
Taxonomy
Prismatoolithus coloradensis was named by Hirsch (1994). It is considered to be a form taxon. Its type specimen is MWC 122.3.1/HEC 457, an egg, and it is a 3D body fossil. Its type locality is Young locality, Delta (MWC–122.1), which is in a Kimmeridgian/Tithonian dry floodplain mudstone/sandstone in the Morrison Formation of Colorado. It is the type species of Preprismatoolithus, Prismatoolithus.
It was recombined as Preprismatoolithus coloradensis by Zelenitsky and Hills (1996), Carpenter (1999), Hirsch (2001), Zhao (2003), Sellés et al. (2014), Foster et al. (2016) and Wang et al. (2018).
It was recombined as Preprismatoolithus coloradensis by Zelenitsky and Hills (1996), Carpenter (1999), Hirsch (2001), Zhao (2003), Sellés et al. (2014), Foster et al. (2016) and Wang et al. (2018).
Synonymy list
| Year | Name and author |
|---|---|
| 1994 | Prismatoolithus coloradensis Hirsch p. 140 figs. 10.3-4, 10.7 |
| 1996 | Preprismatoolithus coloradensis Zelenitsky and Hills p. 1128 |
| 1997 | Prismatoolithus coloradensis Carpenter p. 92 |
| 1999 | Preprismatoolithus coloradensis Carpenter p. 8 |
| 2001 | Preprismatoolithus coloradensis Hirsch p. 384 |
| 2003 | Preprismatoolithus coloradensis Zhao p. 161 |
| 2014 | Preprismatoolithus coloradoensis Moreno-Azanza et al. p. 847 |
| 2014 | Preprismatoolithus coloradensis Sellés et al. p. 49 |
| 2016 | Preprismatoolithus coloradensis Foster et al. p. 45 |
| 2018 | Preprismatoolithus coloradensis Wang et al. p. 267 |
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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.
†Preprismatoolithus coloradensis Hirsch 1994
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| K. F. Hirsch 1994 | As for genus. |