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Prismatoolithus matellensis
Taxonomy
Prismatoolithus matellensis was named by Vianey-Liaud and Crochet (1994). It is considered to be a form taxon. Its type specimen is PHM-20, an egg (radial thin-section of eggshell), and it is a 3D body fossil. Its type locality is Pioch Herbaut (PHM), which is in a Maastrichtian terrestrial horizon in France.
Synonymy list
| Year | Name and author |
|---|---|
| 1994 | Prismatoolithus matellensis Vianey-Liaud and Crochet p. 243 |
| 1996 | Prismatoolithus matellensis Zelenitsky and Hills p. 1127 |
| 1997 | Prismatoolithus matellensis Vianey-Liaud and López-Martínez p. 1165 |
| 2001 | Prismatoolithus matellensis Garcia and Vianey-Liaud |
| 2003 | Prismatoolithus matellensis Vianey-Liaud et al. p. 584 fig. 5 |
| 2008 | Prismatoolithus matellensis Suñer et al. p. 411 |
| 2011 | Prismatoolithus matellensis Tanaka et al. p. 48 |
| 2014 | Prismatoolithus matellensis Moreno-Azanza et al. p. 847 |
| 2014 | Prismatoolithus matellensis Sellés et al. p. 48 |
| 2017 | Prismatoolithus matellensis Skutschas et al. |
| 2018 | Prismatoolithus matellensis 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.
†Prismatoolithus matellensis Vianey-Liaud and Crochet 1994
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. Vianey-Liaud and J.-Y. Crochet 1994 | Relatively thick Prismatoolithus (1.06 mm to 1.22 mm), thicker than Orodromeus makelai, probably with smooth outer surface; mammillary layer about 10% of the eggshell thickness; pore canal diameters varying about 25μm to 70μm; size and shape of the egg unknown. |
Measurements
No measurements are available
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| Source: subc = subclass, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988 | |||||
Age range: Late/Upper Maastrichtian or 70.60000 to 66.00000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Maastrichtian | France (Languedoc-Roussillon) | Prismatoolithus matellensis (type locality: 70285) | |
| Late/Upper Maastrichtian | Spain (Cataluña) | Prismatoolithus matellensis (36725) |