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Berniceras
Taxonomy
Berniceras was named by Jeannet (1951) [Sepkoski's age data: J Oxfo-l]. Its type is Oppelia inconspicua.
It was assigned to Taramelliceratinae by Arkell et al. (1957); and to Ammonoidea by Sepkoski (2002).
It was assigned to Taramelliceratinae by Arkell et al. (1957); and to Ammonoidea by Sepkoski (2002).
Species
Synonymy list
Year | Name and author |
---|---|
1951 | Berniceras Jeannet p. 35 |
1957 | Berniceras Arkell et al. p. 282 |
2002 | Berniceras 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.
Diagnosis
No diagnoses are available
Measurements
part | N | mean | |||||
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shell height | 1 | 18.2 | |||||
shell diameter | 1 | 33.5 | |||||
shell inflation | 1 | 4.00 |
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Source: o = order, c = class | |||||
References: Kiessling 2004, Kiessling 2003 |
Age range: base of the Late/Upper Callovian to the top of the Early/Lower Oxfordian or 164.70000 to 155.70000 Ma
Collections (4 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Late/Upper Callovian | Switzerland | B. inconspicuum (171572) | |
Early/Lower Oxfordian | France | B. inconspicuum (12266) | |
Early/Lower Oxfordian | Switzerland | B. inconspicuum (171561 171566) |