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Boreoceras
Taxonomy
Boreoceras was named by Miller and Youngquist (1947) [Sepkoski's age data: O Trem-l Sepkoski's reference number: 524]. It is not extant. Its type is Boreoceras washburni.
It was assigned to Ellesmeroceratidae by Flower (1964); to Cyrtendoceratidae by Teichert et al. (1964); and to Endocerida by Sepkoski (2002).
It was assigned to Ellesmeroceratidae by Flower (1964); to Cyrtendoceratidae by Teichert et al. (1964); and to Endocerida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1947 | Boreoceras Miller and Youngquist p. 10 |
| 1964 | Boreoceras Flower p. 73 |
| 1964 | Boreoceras Teichert et al. p. 182 |
| 2002 | Boreoceras Sepkoski |
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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.
G. †Boreoceras Miller and Youngquist 1947
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†Boreoceras brevicameratum Miller and Youngquist 1947
†Boreoceras cloudi Miller and Youngquist 1947
†Boreoceras ovale Flower 1964
†Boreoceras parvulum Miller and Youngquist 1947
†Boreoceras washburni Miller and Youngquist 1947
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: Tremadocian or 485.40000 to 477.70000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tremadocian | Canada (Nunavut) | B. washburni (88893) B. washburni, B. brevicameratum, B. ovale, B. cloudi (88892) B. washburni, B. brevicameratum, B. ovale, B. cloudi, B. parvulum (88891) |