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Ovaloolithidae
Taxonomy
Ovaloolithidae was named by Mikhailov (1991). It is considered to be a form taxon.
It was assigned to Ornithopoda by Mikhailov (1991), Mikhailov et al. (1994); and to Hadrosauroidea by Mikhailov (2000).
It was assigned to Ornithopoda by Mikhailov (1991), Mikhailov et al. (1994); and to Hadrosauroidea by Mikhailov (2000).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1991 | Ovaloolithidae Mikhailov p. 219 |
| 1994 | Ovaloolithidae Mikhailov et al. p. 97 |
| 2000 | Ovaloolithidae Mikhailov p. 562 |
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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.
Fm. †Ovaloolithidae Mikhailov 1991
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G. †Ovaloolithus Zhao 1979
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†Ovaloolithus chinkangkouensis Chao and Chiang 1974
†Ovaloolithus dinornithoides Mikhaillov 1994
†Ovaloolithus huangtulingensis Yu 1998
†Ovaloolithus laminadermus Young 1954
†Ovaloolithus mixistriatus Zhao 1979
†Ovaloolithus monostriatus Zhao 1979
†Ovaloolithus sangpingensis Fang 1998
†Ovaloolithus tenuisus Bray 1999
†Ovaloolithus tristriatus Zhao 1979
†Ovaloolithus turpanensis Zhang and Wang 2010
†Ovaloolithus utahensis Bray 1999
†Ovaloolithus weiqiaoensis Yu 1998
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| K. E. Mikhailov 1991 | Angustispherulithic morphotype; pore system of mixed type, mainly rimocanaliculate + angusticanaliculate; sculptured surface: sagenotuberculate ornamentation (often variant 3), or smooth surface; ellipsoid - subspherical eggs; "thick" (>2 mm) and "medium" (>1 mm) eggshell. |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Benton 1983, Marsh 1875 | |||||
Age range: base of the Late/Upper Aptian to the top of the Lancian or 122.46000 to 66.00000 Ma
Collections (22 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Aptian - Early/Lower Albian | South Korea (Gyeongsangnam-do) | Dinosauria indet. (53294) Ovaloolithidae indet. (52861) | |
| Cenomanian - Santonian | Mongolia (Dornogov) | Dinosauria indet. (65341) Ovaloolithidae indet. (65342) | |
| Late/Upper Cenomanian - Turonian | China (Zhejiang) | Ovaloolithus sp. (205657) | |
| Early/Lower Turonian - Middle Campanian | China (Henan) | Ovaloolithus sp. (55688) | |
| Coniacian - Santonian | China (Henan) | Ovaloolithus sp. (35924) | |
| Campanian | China (Shandong) | Oolithes chinkangkouensis (80115) Oolithes chinkangkouensis, Oolithes spheroides (80114) Oolithes spheroides (55471 71900 80116) Ovaloolithus chinkangkouensis, Reptilia indet. (24757) | |
| Campanian - Maastrichtian | China (Xinjiang) | Ovaloolithus turpanensis (97944) | |
| Late/Upper Campanian | Mongolia (Omnogov) | Ovaloolithidae indet. (65344 127678) | |
| Maastrichtian | USA (Utah) | Ovaloolithus utahensis, Ovaloolithus tenuisus (138566 138567) | |
| Maastrichtian | Mongolia (Omnogov) | Ovaloolithidae indet. (65345) | |
| Lancian | USA (Utah) | Ovaloolithus utahensis (14599) | |
| Late/Upper Maastrichtian | USA (Utah) | Ovaloolithus utahensis (45722 138563) |