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Aulacostephanus (Aulacostephanoceras) volgensis
Taxonomy
Ammonites volgensis was named by Vischniakoff (1875).
It was recombined as Aulacostephanus (Aulacostephanoceras) volgensis by Mesezhnikov (1984).
It was recombined as Aulacostephanus (Aulacostephanoceras) volgensis by Mesezhnikov (1984).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1875 | Ammonites volgensis Vischniakoff p. 219 figs. Pl 7, fig 4 |
1984 | Aulacostephanus (Aulacostephanoceras) volgensis Mesezhnikov p. 126 figs. Pl 32, figs 3,4; pl 37, fig 3; pl 40, fig 2; pl 42, fig 2; text-fig 47 |
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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.
†Aulacostephanus (Aulacostephanoceras) volgensis Vischniakoff 1875
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Diagnosis
No diagnoses are available