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Hoploscaphites birkelundae
Taxonomy
Hoploscaphites birkelundi was named by Landman and Waage (1993). Its type specimen is YPM 27172, a shell, and it is a 3D body fossil. Its type locality is RB120, Redbird, which is in a Maastrichtian marine sandstone in the Fox Hills Formation of Wyoming.
It was corrected as Hoploscaphites birkelundae by Landman and Cobban (2003).
It was corrected as Hoploscaphites birkelundae by Landman and Cobban (2003).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1993 | Hoploscaphites birkelundi Landman and Waage p. 119 figs. fig. 60, 85-90 |
| 2003 | Hoploscaphites birkelundae Landman and Cobban p. 23 figs. 17-19, 20E-K, 21,22 |
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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.
†Hoploscaphites birkelundae Landman and Waage 1993
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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 2003, Kiessling 2004 | |||||
Age range: Late/Upper Maastrichtian or 72.20000 to 66.00000 Ma
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Maastrichtian | USA (Colorado) | Hoploscaphites birkelundae (178290 178291 178292 178293 178294 178295 178296 178297) | |
| Late/Upper Maastrichtian | USA (Wyoming) | Hoploscaphites birkelundi (178313 178588 178589 178590 178591 178592 178593 178594 178595 178596) |