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Protophragmoceras
Taxonomy
Protophragmoceras was named by Hyatt (1900). Its type is Cyrtoceras murchisoni.
It was assigned to Phragmoceratidae by Strand (1934), Teichert et al. (1964) and Chen et al. (1981); and to Discosorida by Sepkoski (2002).
It was assigned to Phragmoceratidae by Strand (1934), Teichert et al. (1964) and Chen et al. (1981); and to Discosorida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1900 | Protophragmoceras Hyatt |
| 1934 | Protophragmoceras Strand |
| 1964 | Protophragmoceras Teichert et al. p. 339 |
| 1981 | Protophragmoceras Chen et al. p. 85 |
| 2002 | Protophragmoceras 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. †Protophragmoceras Hyatt 1900
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†Protophragmoceras erskinei Lamont 1978
†Protophragmoceras murchisoni Barrande 1867
Diagnosis
No diagnoses are available