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Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Semicassis ovulum
Taxonomy
Dolium ovulum was named by Ortmann (1900) [DISTRIBUTION: Oligocene-Miocene; Chile, Argentina.]. It is not a trace fossil.
It was recombined as Sconsia ovulum by Ihering (1907); it was recombined as Semicassis ovulum by Frassinetti and Covacevich (1999).
It was recombined as Sconsia ovulum by Ihering (1907); it was recombined as Semicassis ovulum by Frassinetti and Covacevich (1999).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1900 | Dolium ovulum Ortmann p. 374 |
1907 | Sconsia ovulum Ihering p. 177 |
1999 | Semicassis ovulum Frassinetti and Covacevich p. 48 |
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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.
†Semicassis ovulum Ortmann 1900
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, c = class | |||||
References: Hendy et al. 2009, Kiessling 2004 |
Age range: Early/Lower Miocene or 23.03000 to 15.97000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Early/Lower Miocene | Chile | Semicassis ovulum (78425 78427) |