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Plectronoceras
Taxonomy
Plectronoceras was named by Ulrich and Foerste (1933) [Sepkoski's age data: Cm Fran-u Cm Trep-l Sepkoski's reference number: 297]. Its type is Cyrtoceras cambria.
It was assigned to Plectronoceratidae by Flower (1964), Teichert et al. (1964), Crick (1981); and to Plectonocerida by Sepkoski (2002).
It was assigned to Plectronoceratidae by Flower (1964), Teichert et al. (1964), Crick (1981); and to Plectonocerida by Sepkoski (2002).
Species
Synonymy list
Year | Name and author |
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1933 | Plectronoceras Ulrich and Foerste p. 288 |
1964 | Plectronoceras Flower p. 30 |
1964 | Plectronoceras Teichert et al. p. 146 |
1981 | Plectronoceras Crick p. 227 |
2002 | Plectronoceras 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.
G. †Plectronoceras Ulrich and Foerste 1933
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†Plectronoceras cambria Walcott 1905
†Plectronoceras exile Flower 1964
†Plectronoceras liaotungense Kobayashi 1935
Diagnosis
No diagnoses are available