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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Annuliconcha janus
Taxonomy
Aviculopecten janus was named by Gemmellaro (1896).
It was recombined as Annuliconcha janus by Newell (1938).
It was recombined as Annuliconcha janus by Newell (1938).
Synonymy list
| Year | Name and author |
|---|---|
| 1896 | Aviculopecten janus Gemmellaro p. 42 figs. Pl 24, figs 12-15 |
| 1938 | Annuliconcha janus Newell p. 116 |
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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.
†Annuliconcha janus Gemmellaro 1896
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 3 | 11.9 | 7.00 | 20.0 | 12.0 | 6.56 |
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Wordian to the top of the Changhsingian or 266.90000 to 252.17000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wordian | Italy | Aviculopecten janus (108672) | |
| Changhsingian | China (Guizhou) | Aviculopecten janus (82631) |