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Subdichotomoceras
Taxonomy
Subdichotomoceras was named by Spath [Sepkoski's age data: J Kimm-l J Tith-l]. It is not extant.
It was assigned to Virgatosphinctinae by Verma and Westermann (1973); to Pseudovirgatitinae by Mesezhnikov (1984); and to Ammonoidea by Sepkoski (2002).
It was assigned to Virgatosphinctinae by Verma and Westermann (1973); to Pseudovirgatitinae by Mesezhnikov (1984); and to Ammonoidea by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
Year | Name and author |
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1973 | Subdichotomoceras Verma and Westermann p. 183 |
1984 | Subdichotomoceras Mesezhnikov p. 136 |
2002 | Subdichotomoceras 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. †Subdichotomoceras Spath
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Subg. †Subdichotomoceras (Sphinctoceras) Neaverson 1925
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†Subdichotomoceras (Sphinctoceras) subcrassum Mesezhnikov 1974
†Subdichotomoceras filiplex Quenstedt 1888
†Subdichotomoceras inversum Spath 1931
†Subdichotomoceras latissimum Zwierzycki 1914
Diagnosis
No diagnoses are available