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Bassleroceratidae
Taxonomy
Bassleroceratidae was named by Ulrich et al. (1944). It was considered paraphyletic by Pohle et al. (2022).
It was assigned to Cephalopoda by Ulrich et al. (1944); to Ellesmerocerida by Crick (1981), Kröger and Landing (2008), Kröger and Landing (2009); and to Multiceratoidea by Pohle et al. (2022).
It was assigned to Cephalopoda by Ulrich et al. (1944); to Ellesmerocerida by Crick (1981), Kröger and Landing (2008), Kröger and Landing (2009); and to Multiceratoidea by Pohle et al. (2022).
Synonymy list
| Year | Name and author |
|---|---|
| 1944 | Bassleroceratidae Ulrich et al. |
| 1981 | Bassleroceratidae Crick p. 227 |
| 2008 | Bassleroceratidae Kröger and Landing p. 146 |
| 2009 | Bassleroceratidae Kröger and Landing p. 490 |
| 2022 | Bassleroceratidae Pohle et al. p. 21 |
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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.
Fm. †Bassleroceratidae Ulrich et al. 1944
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G. †Anguloceras Unklesbay and Young 1956
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†Anguloceras depressum Unklesbay and Young 1956
†Anguloceras ovatum Unklesbay and Young 1956
†Anguloceras rotundum Unklesbay and Young 1956
G. †Avaoceras Ulrich et al. 1944
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†Avaoceras elongatum Ulrich et al. 1944
†Avaoceras longidomum Ulrich et al. 1944
†Avaoceras magnisiphonatum Ulrich et al. 1944
†Avaoceras wellsense Ulrich et al. 1944
G. †Avoceras Sepkoski 2002
G. †Lawrenceoceras Ulrich et al. 1944
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†Lawrenceoceras breve Ulrich et al. 1944
†Lawrenceoceras collinsi Ulrich et al. 1944
†Lawrenceoceras confertissimum Whitfield 1886
G. †Leptocyrtoceras Ulrich et al. 1944
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†Leptocyrtoceras curvatum Ulrich et al. 1944
†Leptocyrtoceras powellense Ulrich et al. 1944
†Leptocyrtoceras virginianum Ulrich et al. 1944
G. †Monogonoceras Ulrich et al. 1944
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†Monogonoceras alabamense Ulrich et al. 1944
†Monogonoceras magnisiphonatum Ulrich et al. 1944
†Monogonoceras subrectum Ulrich et al. 1944
G. †Onychoceras Ulrich and Foerste 1936
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†Onychoceras australe Ulrich et al. 1944
†Onychoceras subrotundum Ulrich et al. 1944
†Onychoceras surgens Barrande 1870
G. †Stylocyrtoceras Ulrich et al. 1944
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†Stylocyrtoceras avaense Ulrich et al. 1944
†Stylocyrtoceras tantillum Stauffer 1937
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Stairsian to the top of the Blackhillsian or 483.40000 to 471.30000 Ma
Collections (28 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Gasconadian | USA (Virginia) | Anguloceras ovatum, Anguloceras depressum, Anguloceras rotundum (73291) | |
| Jeffersonian - Rangerian | Canada (Quebec) | Avaoceras sp. (99217) | |
| Tremadoc | China (Hubei) | Anguloceras sp. (4742) | |
| Stairsian | USA (New York) | Dwightoceras dactyloides (89491 89492) | |
| Stairsian | USA (Virginia) | Leptocyrtoceras virginianum (101385) Monogonoceras magnisiphonatum (101387 101388 101389) | |
| Stairsian | USA (Alabama) | Monogonoceras alabamense (101386) | |
| Stairsian | USA (Missouri) | Monogonoceras subrectum (101390) | |
| Cassinian | USA (Virginia) | Onychoceras subrotundum (99221) | |
| Cassinian | USA (Vermont) | Lawrenceoceras breve, Cyrtoceras confertissimum (42793) | |
| Cassinian | Canada (Quebec) | Lawrenceoceras collinsi, Onychoceras surgens (101017) | |
| Cassinian | USA (Minnesota) | Deltoceras tantillum (56647) | |
| Cassinian | USA (New York) | Lawrenceoceras breve (90082) Lawrenceoceras confertissimum (42798) Lawrenceoceras confertissimum, Lawrenceoceras breve (90194) | |
| Tulean - Blackhillsian | USA (Missouri) | Avaoceras elongatum (98459) Avaoceras longidomum, Avaoceras magnisiphonatum (98444) | |
| Migneintian | USA (Missouri) | Monogonoceras sp. (50206) | |
| Floian | USA (Tennessee) | Avaoceras wellsense (101297) | |
| Floian | USA (Arkansas) | Leptocyrtoceras curvatum (99878) Leptocyrtoceras powellense (101384) | |
| Arenig | China (HeBei) | Leptocyrtoceras sp. (7957 7963 7968) | |
| Blackhillsian | USA (Alabama) | Onychoceras australe (101391) |