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Sirenites betulinus
Taxonomy
Ammonites (Trachyceras) betulinus was named by Dittmar (1886).
It was recombined as Sirenites betulinus by Astakhova (1968) and Astakhova (1971).
It was recombined as Sirenites betulinus by Astakhova (1968) and Astakhova (1971).
Sister species lacking formal opinion data
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.
†Sirenites betulinus Dittmar 1886
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 2 | 8.00 | - | - | 8.00 | - | |
shell diameter | 2 | 21.0 | 20.0 | 22.0 | 21.0 | 1.41 |
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Source: o = order, c = class | |||||
References: Kiessling 2004, Kiessling 2003 |