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Lewesiceras
Taxonomy
Lewesiceras was named by Spath (1939) [Sepkoski's age data: K Ceno-l K Turo-u Sepkoski's reference number: 730]. Its type is Ammonites peramplum.
It was assigned to Ammonoidea by Sepkoski (2002); and to Pachydiscidae by Wright (1979), Wright and Kennedy (1984), Kennedy and Gale (2015), Benzaggagh et al. (2017), Kennedy (2018).
It was assigned to Ammonoidea by Sepkoski (2002); and to Pachydiscidae by Wright (1979), Wright and Kennedy (1984), Kennedy and Gale (2015), Benzaggagh et al. (2017), Kennedy (2018).
Synonymy list
| Year | Name and author |
|---|---|
| 1939 | Lewesiceras Spath p. 296 |
| 1979 | Lewesiceras Wright p. 310 |
| 1984 | Lewesiceras Wright and Kennedy p. 63 |
| 2002 | Lewesiceras Sepkoski |
| 2015 | Lewesiceras Kennedy and Gale p. 513 |
| 2017 | Lewesiceras Benzaggagh et al. p. 117 |
| 2018 | Lewesiceras Kennedy p. 676 |
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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. †Lewesiceras Spath 1939
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†Lewesiceras jimboi Kossmat 1898
†Lewesiceras mantelli Wright and Wright 1951
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Invalid names: Lewesiceras lenesicense Housa 1967 [synonym], Lewesiceras romani Sornay 1964 [synonym], Pachydiscus cricki Spath 1926 [replaced]
†Lewesiceras peramplum Mantell 1822
†Lewesiceras pingue Leanza 1967
†Lewesiceras ubatense Leanza 1967
†Lewesiceras wiedmanni Wright and Kennedy 1984
†Lewesiceras woodi Wright 1979
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 65 | 45.3 | 13.0 | 95.1 | 48.7 | 19.7 | |
| shell diameter | 65 | 107.6 | 32.5 | 228.0 | 111.0 | 46.9 | |
| shell inflation | 65 | 32.1 | 10.3 | 66.8 | 32.1 | 14.1 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Turonian to the top of the Early/Lower Coniacian or 93.90000 to 85.80000 Ma
Collections (34 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Cretaceous | Germany | L. mantelli (12687) | |
| Early/Lower Cenomanian | USA (Texas) | L. sp. (88730) | |
| Late/Upper Cenomanian | Germany (Sachsen) | L. peramplum (172049) | |
| Turonian | Morocco | L. peramplum (184450) | |
| Early/Lower Turonian | Germany (Sachsen) | L. peramplum (172050 172058 172066 172067 172068 172079) | |
| Early/Lower Turonian | United Kingdom (England) | L. peramplum (175786) Pachydiscus peramplus (210341) | |
| Early/Lower Turonian | Colombia | L. ubatense, L. pingue (233826) | |
| Late/Upper Turonian | France | L. mantelli (175633 175634) L. woodi (175635) | |
| Late/Upper Turonian | Sweden | Pseudopuzosia sp. (175793) | |
| Late/Upper Turonian | Czech Republic | L. sp. (99235) | |
| Late/Upper Turonian | Germany | L. mantelli (12682 12685 12686 12688 74196) | |
| Late/Upper Turonian | United Kingdom (England) | L. mantelli (159656 175765 175785) L. mantelli, L. woodi (112693) L. woodi (175787 175788) Pachydiscus sharpei (175792) | |
| Late/Upper Turonian | Armenia (Vayots Dzor) | L. mantelli (92185) | |
| Middle Turonian | France | L. peramplum (178853 184520) | |
| Early/Lower Coniacian | India (Tamil Nadu) | L. jimboi (198606) |