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Eucalycoceras barcusi
Taxonomy
Acanthoceras barcusi was named by Jones (1938). It is a 3D body fossil. Its type locality is J68. Hill 0.4 miles southeast from mouth of Indidura Cañón, Sierra de Santa Ana, which is in a Cenomanian marine limestone/shale in the Indidura Formation of Mexico.
It was recombined as Eucalycoceras barcusi by Stephenson (1955); it was recombined as Paraconlinoceras barcusi by Kennedy and Cobban (1990).
It was recombined as Eucalycoceras barcusi by Stephenson (1955); it was recombined as Paraconlinoceras barcusi by Kennedy and Cobban (1990).
Synonymy list
| Year | Name and author |
|---|---|
| 1938 | Acanthoceras barcusi Jones p. 117 figs. pl. 6, figs. 2, 3, 8, 9 |
| 1955 | Eucalycoceras barcusi Stephenson p. 54 |
| 1990 | Paraconlinoceras barcusi Kennedy and Cobban p. 81 |
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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.
†Eucalycoceras barcusi Jones 1938
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Cenomanian or 100.50000 to 93.90000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cenomanian | USA (Texas) | Acanthoceras barcusi (6508) | |
| Cenomanian | Mexico | Acanthoceras barcusi (type locality: 230856) |