Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Pterygocythereis americana
Taxonomy
Cythereis cornuta americana was named by Ulrich and Bassler (1904). It is not extant.
Synonymy list
Year | Name and author |
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1904 | Cythereis cornuta americana Ulrich and Bassler |
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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.
†Pterygocythereis americana Ulrich and Bassler 1904
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, c = class | |||||
References: Jell and Adrain 2002, Kiessling 2004 |
Age range: Middle Miocene or 15.98000 to 11.63000 Ma
Collections (4 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Middle Miocene | Venezuela | Pterygocythereis americana (93920 93927 93928 93932) |