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Arcthoplites (Subarcthoplites)
Taxonomy
Subarcthoplites was named by Casey (1954) [Sepkoski's age data: K Albi-m]. Its type is Lemuroceras belli.
It was reranked as Lemuroceras (Subarcthoplites) by Imlay (1960); it was reranked as Arcthoplites (Subarcthoplites) by Alabushev (1995); it was corrected as Subarctoplites by Warren and Stelck (1960), Sepkoski (2002).
It was assigned to Hoplitidae by Casey (1954); to Ammonoidea by Warren and Stelck (1960); to Lemuroceras by Imlay (1960); to Arcthoplites by Alabushev (1995); and to Ammonoidea by Sepkoski (2002).
It was reranked as Lemuroceras (Subarcthoplites) by Imlay (1960); it was reranked as Arcthoplites (Subarcthoplites) by Alabushev (1995); it was corrected as Subarctoplites by Warren and Stelck (1960), Sepkoski (2002).
It was assigned to Hoplitidae by Casey (1954); to Ammonoidea by Warren and Stelck (1960); to Lemuroceras by Imlay (1960); to Arcthoplites by Alabushev (1995); and to Ammonoidea by Sepkoski (2002).
Subtaxa
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1954 | Subarcthoplites Casey |
| 1960 | Lemuroceras (Subarcthoplites) Imlay |
| 1960 | Subarctoplites Warren and Stelck p. 24 |
| 1995 | Arcthoplites (Subarcthoplites) Alabushev p. 128 |
| 2002 | Subarctoplites 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.
Subg. †Arcthoplites (Subarcthoplites) Casey 1954
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†Arcthoplites (Subarcthoplites) belli McLearn 1945
†Arcthoplites (Subarcthoplites) mcconnelli Whiteaves 1893
†Arcthoplites (Subarcthoplites) talkeetnanus Imlay 1960
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 8 | 20.8 | 11.0 | 78.0 | 17.2 | 22.5 | |
| shell diameter | 8 | 48.4 | 24.0 | 185.0 | 44.5 | 53.0 | |
| shell inflation | 8 | 11.9 | 6.00 | 45.0 | 10.9 | 12.7 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Early/Lower Albian or 113.20000 to 110.10000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Albian | Denmark | Subarcthoplites sp. (71077) | |
| Early/Lower Albian | Russian Federation | Arcthoplites talkeetnanus (169549) Arcthoplites talkeetnanus, Arcthoplites belli (169558) Arcthoplites talkeetnanus, Arcthoplites mcconnelli (169554) | |
| Early/Lower Albian | Japan (Hokkaido) | Arcthoplites sp. (92725) | |
| Early/Lower Albian | USA (Alaska) | Arcthoplites belli (88627) Arcthoplites talkeetnanus (88908) Lemuroceras sp. (38514) | |
| Early/Lower Albian | Canada (Alberta) | Subarctoplites belli (87432) | |
| Albian | USA (Alaska) | Lemuroceras belli (38516) | |
| Albian | Canada (Alberta) | Arcthoplites belli (87379) Lemuroceras belli (87418) | |
| Albian | Canada (Northwest Territories) | Subarctoplites belli (87427) |