Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Psammionassa
Taxonomy
Psammionassa was named by Schweitzer et al. (2017). It is not extant. Its type is Psammionassa paromola.
It was assigned to Axiidea by Schweitzer et al. (2017), Schweitzer et al. (2023).
It was assigned to Axiidea by Schweitzer et al. (2017), Schweitzer et al. (2023).
Species
P. paromola (type species)
Synonymy list
Year | Name and author |
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2017 | Psammionassa Schweitzer et al. |
2023 | Psammionassa Schweitzer et al. p. 21 |
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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.
G. †Psammionassa Schweitzer et al. 2017
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†Psammionassa paromola Schweitzer et al. 2017
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: infrao = infraorder, c = class | |||||
References: Valdez and Clapham 2023, Aberhan 1992 |
Age range: Middle Turonian or 93.90000 to 89.80000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Middle Turonian | USA (New Mexico) | P. paromola (222681) |