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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Echinocyamus polymorpha
Taxonomy
Sismondia polymorpha was named by Duncan and Sladen (1883).
It was recombined as Echinocyamus polymorpha by Roman (1976).
It was recombined as Echinocyamus polymorpha by Roman (1976).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1883 | Sismondia polymorpha Duncan and Sladen |
| 1976 | Echinocyamus polymorpha Roman p. 54 figs. Pl 3, figs 2-6 |
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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.
†Echinocyamus polymorpha Duncan and Sladen 1883
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Kiessling 2004, Aberhan 1992 | |||||
Age range: base of the Lutetian to the top of the Early/Lower Miocene or 48.07000 to 15.98000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lutetian | Qatar | Echinocyamus polymorpha (209101 209102 209104 209105 209106) | |
| Early/Lower Miocene | Northern Mariana Islands | Sismondia polymorpha (43368 43370 43371) |