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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Holcodiscus menglonensis
Taxonomy
Holcodiscus menglonensis was named by Sayn (1890). It is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1890 | Holcodiscus menglonensis Sayn |
| 2025 | Holcodiscus menglonensis Benzaggagh p. 13 figs. 9I-N |
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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.
†Holcodiscus menglonensis Sayn 1890
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 6 | 13.8 | 11.0 | 18.0 | 13.5 | 2.84 | |
| shell diameter | 6 | 25.4 | 20.0 | 32.0 | 26.0 | 5.12 | |
| shell inflation | 6 | 5.55 | 5.00 | 6.50 | 5.50 | 0.665 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Early/Lower Barremian or 125.77000 to 121.40000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Barremian | Morocco | Holcodiscus menglonensis (240072 240075) |