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Hemiphragmoceratidae
Taxonomy
Hemiphragmoceratidae was named by Foerste (1926). It is not extant. Its type is Hemiphragmoceras.
It was assigned to Oncoceratida by Teichert et al. (1964), Stridsberg (1985).
It was assigned to Oncoceratida by Teichert et al. (1964), Stridsberg (1985).
Subtaxa
Conradoceras, Hemiphragmoceras (type genus), Hexameroceras, Octamerella, Octameroceras, Tetrameroceras
Synonymy list
| Year | Name and author |
|---|---|
| 1926 | Hemiphragmoceratidae Foerste |
| 1964 | Hemiphragmoceratidae Teichert et al. p. 295 |
| 1985 | Hemiphragmoceratidae Stridsberg p. 51 |
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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.
Fm. †Hemiphragmoceratidae Foerste 1926
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G. †Conradoceras Foerste 1926
G. †Hemiphragmoceras Hyatt in Zittel 1900
G. †Hexameroceras Hyatt 1884
G. †Octamerella Teichert and Sweet 1962
G. †Octameroceras Hyatt 1900
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†Octameroceras callistoma Barrande 1867
†Octameroceras scotorum Lamont 1978
G. †Tetrameroceras Hyatt 1884
Diagnosis
No diagnoses are available