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Freboldiceras singulare
Taxonomy
Freboldiceras singulare was named by Imlay (1959). Its type specimen is USNM 129868, a shell, and it is a 3D body fossil. Its type locality is USGS Mesozoic 24877, Billy Creek, which is in an Albian marginal marine horizon in the Matanuska Formation of Alaska.
Synonymy list
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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.
†Freboldiceras singulare Imlay 1959
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 8 | 12.6 | 4.40 | 24.0 | 14.0 | 6.21 | |
| shell diameter | 8 | 28.4 | 10.0 | 55.0 | 31.3 | 14.2 | |
| shell inflation | 8 | 7.83 | 2.90 | 14.0 | 7.85 | 3.75 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Early/Lower Albian or 113.20000 to 110.10000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Albian | Svalbard and Jan Mayen | Freboldiceras singulare (174880) | |
| Early/Lower Albian | USA (Alaska) | Freboldiceras singulare (type locality: 38514 88907 88908) |