Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Venus difficilis was named by Ortmann (1899).
It was recombined as Eurhomalea difficilis by Stilwell and Zinsmeister (1992) and Chiesa et al. (1995).
It was recombined as Eurhomalea difficilis by Stilwell and Zinsmeister (1992) and Chiesa et al. (1995).
Synonymy list
Year | Name and author |
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1899 | Venus difficilis Ortmann p. 428 |
1902 | Venus difficilis Ortmann |
1992 | Eurhomalea difficilis Stilwell and Zinsmeister p. 78 |
1995 | Eurhomalea difficilis Chiesa et al. p. 45 |
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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.
†Eurhomalea difficilis Ortmann 1899
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, c = class | |||||
References: Kiessling 2004, Aberhan et al. 2004 |
Age range: Burdigalian or 20.44000 to 15.97000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Burdigalian | Argentina | Eurhomalea difficilis (65178) |