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Litoceras
Taxonomy
Litoceras was named by Hyatt (1883) [Sepkoski's age data: O Aren-u O Llde Sepkoski's reference number: 524].
It was assigned to Trocholitidae by Ulrich et al. (1942), Teichert et al. (1964), Crick (1981).
It was assigned to Trocholitidae by Ulrich et al. (1942), Teichert et al. (1964), Crick (1981).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1883 | Litoceras Hyatt p. 268 |
| 1942 | Litoceras Ulrich et al. |
| 1964 | Litoceras Teichert et al. p. 361 |
| 1981 | Litoceras Crick p. 228 |
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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. †Litoceras Hyatt 1883
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†Litoceras calciferum Billings 1865
†Litoceras versutum Billings 1865
†Litoceras whiteavsi Hyatt 1894
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: base of the Floian to the top of the Whiterockian or 477.10000 to 457.30000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Jeffersonian | Canada (Newfoundland and Labrador) | L. calciferum (98438 100029) | |
| Tulean - Blackhillsian | Canada (Newfoundland and Labrador) | L. versutum (100038) | |
| Floian | Canada (Newfoundland and Labrador) | L. whiteavsi (100026) | |
| Floian - Whiterockian | Canada (Newfoundland and Labrador) | L. whiteavsi (100028) | |
| Whiterockian | USA (Nevada) | L. adamsi, L. huygenae (233163) |