Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Monoceratina alexanderi
Taxonomy
Monoceratina alexanderi was named by Howe and Chambers (1935). It is a 3D body fossil. Its type locality is Grand View bluff on the Ouachita River, which is in an Eocene marginal marine horizon in Louisiana.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1935 | Monoceratina alexanderi Howe and Chambers p. 21 figs. Plate III, figure 19; Plate IV, figure 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.
†Monoceratina alexanderi Howe and Chambers 1935
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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: Bartonian or 41.30000 to 38.00000 Ma
Collections (4 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Eocene | USA (Louisiana) | Monoceratina alexanderi (191908 type locality: 191912) | |
Eocene | USA (Mississippi) | Monoceratina alexanderi (191999) | |
Bartonian | USA (Alabama) | Monoceratina alexanderi (94040) |