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Nostoceras hetonaiense
Taxonomy
Nostoceras hetonaiense was named by Matsumoto (1977). Its type specimen is GK.H5798a, a shell, and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1977 | Nostoceras hetonaiense Matsumoto p. 322 figs. Pl 54, fig 2; pl 55, fig 1 |
1985 | Nostoceras hetonaiense Morozumi p. 41 figs. Pl 16, figs 1-5; pl 17, figs 5,6 |
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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.
†Nostoceras hetonaiense Matsumoto 1977
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, c = class | |||||
References: Kiessling 2003, Kiessling 2004 |
Age range: Early/Lower Maastrichtian or 70.60000 to 66.00000 Ma
Collections (3 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Early/Lower Maastrichtian | Japan | Nostoceras hetonaiense (176810 176811) | |
Early/Lower Maastrichtian | Japan (Hyogo) | Nostoceras hetonaiense (176812) |