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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Xanthiopyxis microspinosa
Taxonomy
Xanthiopyxis microspinosa was named by Andrews (1976). It is a 3D body fossil. Its type locality is Calvert Cliffs Nuclear Power Plant, Zone 17, which is in a Serravallian shoreface sandstone in the Choptank Formation of Maryland.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Xanthiopyxis microspinosa Andrews p. 18 figs. Plate 6, Fig. 1-3 |
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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.
†Xanthiopyxis microspinosa Andrews 1976
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: Serravallian or 13.82000 to 11.63000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Serravallian | USA (Maryland) | Xanthiopyxis microspinosa (type locality: 70546) |