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Taxonomy
Ostrea eorivularis was named by Oyama and Mizuno (1958). Its type specimen is GSJ 5001, a shell, and it is a 3D body fossil.
Sister species lacking formal opinion data
O. agnevoensis, O. ajatensis, O. arkotensis, O. bryani, O. chillyensis, O. cunabula, O. densata, O. denselamellosa, O. duvergieri, O. elhuyari, O. eothirsae, O. equatoralis, O. equatorialis, O. erina, O. esutoruensis, O. fimbriata, O. guaranitica, O. idrianensis, O. lapillicola, O. longiuscula, O. mackayi, O. maradensis, O. maxima, O. mcnairyensis, O. mesentrica, O. palaemon, O. pauciplicata, O. penegemmea, O. petrosal, O. restinensis, O. rudicula, O. sakaryensis, O. sallomacensis, O. selleformis, O. sicardi, O. sinuosa, O. sloani, O. sublingua, O. tigiliana, O. trachydiscus, O. virgata, O. boriesi, O. boussaci, O. cimana, O. mitsuiana, O. rouardti, O. rouaulti, O. perirregularis
Synonymy list
| Year | Name and author |
|---|---|
| 1958 | Ostrea eorivularis Oyama and Mizuno pp. 598-599 figs. pl. 6, figs. 1a, b, 2a, b, 3a, b |
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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.
†Ostrea eorivularis Oyama and Mizuno 1958
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2003 | |||||
Age range: base of the Early/Lower Eocene to the top of the Late/Upper Oligocene or 55.80000 to 23.03000 Ma
Collections (32 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Eocene | Japan (Hokkaido) | Ostrea eorivularis (205814) | |
| Lutetian | Japan | Ostrea eorivularis (70900 70901 70902) | |
| Bartonian | Japan | Ostrea eorivularis (70903) | |
| Late/Upper Eocene | Japan | Ostrea eorivularis (71044 71045 71046 71047) | |
| Early/Lower Oligocene | Japan | Ostrea eorivularis (68892 68893 68894 68895 70727 70728 70729 70730 70731 70733 70734 70735 70737 70738 70739 70741 70742 70746 70753 70756 70757) | |
| Late/Upper Oligocene | Japan | Ostrea eorivularis (70599 70603) |