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Elongatoolithus sigillarius
Taxonomy
Elongatoolithus sigillarius was named by Mikhailov (1994). It is considered to be a form taxon. Its type specimen is PIN 4126-403, an egg, and it is a 3D body fossil. Its type locality is Gooreeliyn-Tsav [SMPE/SMGE[, which is in a Maastrichtian terrestrial horizon in the Nemegt Formation of Mongolia.
Synonymy list
Year | Name and author |
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1994 | Elongatoolithus sigillarius Mikhailov p. 116 |
2000 | Elongatoolithus sigillarius Mikhailov p. 569 |
2004 | Elongatoolithus sigillaris Watabe p. 19 |
2016 | Elongatoolithus sigillarius Tanaka et al. p. 354 |
2018 | Elongatoolithus sigillarius Norell et al. p. 29 |
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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.
†Elongatoolithus sigillarius Mikhailov 1994
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Diagnosis
Reference | Diagnosis | |
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K. E. Mikhailov 1994 | Equatorial part of egg consisting of reoriented (rippled or speckled) pattern of small, transversely striated tuberlces. Predominant range of shell thicknesses (in equatorial region of egg) 0.4–0.8 mm; total range 0.3–1.1 mm (with elements of sculpture up to 1.2 mm). Egg size (150–170) x (60–70) mm. |
Measurements
No measurements are available
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Source: o = order | |||||
References: Marsh 1875, Kiessling 2004 |
Age range: Maastrichtian or 72.20000 to 66.00000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Maastrichtian | Mongolia (Omnogov) | Elongatoolithidae indet. (type locality: 65335) |