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Prismatoolithus hirschi
Taxonomy
Prismatoolithus hirschi was named by Jackson and Varricchio (2010). It is considered to be a form taxon. Its type specimen is ES 152, an egg, and it is a 3D body fossil. Its type locality is First Find Microsite (OTM 99-19), which is in a Campanian terrestrial horizon in the Two Medicine Formation of Montana.
Synonymy list
| Year | Name and author |
|---|---|
| 2010 | Prismatoolithus hirschi Jackson and Varricchio p. 1148 fig. 7 |
| 2014 | Prismatoolithus hirschi Moreno-Azanza et al. p. 847 |
| 2014 | Prismatoolithus hirschi Sellés et al. p. 48 |
| 2017 | Prismatoolithus hirschi Skutschas 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.
†Prismatoolithus hirschi Jackson and Varricchio 2010
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. D. Jackson and D. J. Varricchio 2010 | (as Combined Characters)—Eggshell consisting of two structural layers of calcite, with distinct transition from mammillary to prismatic layer; uniformly distributed squamatic texture within discernable prisms; shell thickness 500–561 μm; mammillary/prismatic layer thickness ratio 1:2–1:2.5. |