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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Zemistephanus corona
Taxonomy
Zemistephanus corona was named by Arkell (1954). It is a 3D body fossil. Its type locality is South of Round Hill (732343), which is in a Bajocian shallow subtidal limestone in the Newmarracarra Limestone Formation of Australia.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1954 | Zemistephanus corona Arkell p. 578 figs. Pl 39, figs 2,3; text-figs 6,7 |
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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.
†Zemistephanus corona Arkell 1954
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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 Bajocian or 170.90000 to 168.60000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Bajocian | Australia (Western Australia) | Zemistephanus corona (171214 type locality: 171224) |