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Sphaerorthoceratidae
Taxonomy
Sphaerorthoceratidae was named by Ristedt (1968). It is not extant. Its type is Sphaerorthoceras.
It was assigned to Orthocerida by Kröger (2008).
It was assigned to Orthocerida by Kröger (2008).
Subtaxa
Entered
by B. Kröger on 2009-09-22; modified by B. Kröger on 2013-04-30
Synonymy list
| Year | Name and author |
|---|---|
| 1968 | Sphaerorthoceratidae Ristedt |
| 2008 | Sphaerorthoceratidae Kröger |
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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. †Sphaerorthoceratidae Ristedt 1968
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G. †Hemicosmorthoceras Ristedt 1968
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†Hemicosmorthoceras aichae Kröger 2008
†Hemicosmorthoceras dimidiatum Sowerby in Murchinson 1839
†Hemicosmorthoceras laterculum Ristedt 1968
†Hemicosmorthoceras semimbricatum Gnoli 1982
G. †Plagiostomoceras Teichert and Glenister 1952
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†Plagiostomoceras angustum Holzapfel 1885
†Plagiostomoceras bifrons Barrande 1866
†Plagiostomoceras culter Barrande 1866
†Plagiostomoceras gruenwaldti Barrande 1866
†Plagiostomoceras lategruenwaldti Kröger 2008
†Plagiostomoceras placidum Barrande 1868
†Plagiostomoceras pleurotomum Barrande 1874
†Plagiostomoceras reticulatum Kröger 2008
†Plagiostomoceras thomasi Teichert and Glenister 1952
Diagnosis
No diagnoses are available