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Protoceratopsidovum
Taxonomy
Protoceratopsidovum was named by Mikhailov (1994). It is considered to be a form taxon. Its type is Protoceratopsidovum sincerum.
It was assigned to Prismatoolithidae by Mikhailov (1994), Zelenitsky and Hills (1996), Mikhailov (1996), Ariunchimeg (1997), Mikhailov (2000), Cousin (2002), Moreno-Azanza et al. (2014) and Wang et al. (2018).
It was assigned to Prismatoolithidae by Mikhailov (1994), Zelenitsky and Hills (1996), Mikhailov (1996), Ariunchimeg (1997), Mikhailov (2000), Cousin (2002), Moreno-Azanza et al. (2014) and Wang et al. (2018).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1994 | Protoceratopsidovum Mikhailov p. 104 |
| 1996 | Protoceratopsidovum Mikhailov p. 246 |
| 1996 | Protoceratopsidovum Zelenitsky and Hills p. 1128 |
| 1997 | Protoceratopsidovum Ariunchimeg p. 13 |
| 2000 | Protoceratopsidovum Mikhailov p. 567 |
| 2002 | Protoceratopsidovum Cousin p. 40 |
| 2014 | Protoceratopsidovum Moreno-Azanza et al. p. 847 |
| 2018 | Protoceratopsidovum 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.
G. †Protoceratopsidovum Mikhailov 1994
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†Protoceratopsidovum fluxuosum Mikhailov 1994
†Protoceratopsidovum minimum Mikhailov 1994
†Protoceratopsidovum sincerum Mikhailov 1994
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| K. E. Mikhailov 1994 | Angusticanaliculate eggshell of prismatic morphotype. Greatly elongated eggs (El > 2) with smooth surface or fine ornamentation of linear-tubercular type in equatorial part; poles not sculptured and bearing no impressions of ornament. |
Measurements
No measurements are available
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| Source: subc = subclass, c = class, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009 | |||||
Age range: Late/Upper Campanian or 83.50000 to 70.60000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | Mongolia (Omnogov) | P. fluxuosum, Protoceratopsidae indet. (53229) P. sincerum, P. minimum (118259) P. sp. (127668 127678) | |
| Middle Campanian - Late/Upper Campanian | Mongolia (Omnogov) | P. minimum, P. fluxuosum (27009) P. sincerum, Protoceratopsidae indet. (11582) | |
| Middle Campanian - Late/Upper Campanian | Mongolia (Dornogov) | P. minimum (65338) P. sincerum, P. minimum (65327) |