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Siphonochelus (Laevityphis) gracilis
Taxonomy
Typhis gracilis was named by Conrad (1833). Its type specimen is ANSP 13755, a shell, and it is a 3D body fossil.
It was recombined as Laevityphis (Laevityphis) gracilis by Keen (1944); it was recombined as Siphonochelus (Laevityphis) gracilis by Gertman (1969).
It was recombined as Laevityphis (Laevityphis) gracilis by Keen (1944); it was recombined as Siphonochelus (Laevityphis) gracilis by Gertman (1969).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1833 | Typhis gracilis Conrad p. 344 |
1833 | Murex alternata Lea p. 157 figs. pl. 5, fig. 163 |
1890 | Typhis alternata de Gregario p. 96 |
1903 | Typhis (Typhina) alternata Cossmann p. 59 |
1944 | Laevityphis (Laevityphis) gracilis Keen pp. 59, 65 |
1969 | Siphonochelus (Laevityphis) gracilis Gertman p. 171 |
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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.
†Siphonochelus (Laevityphis) gracilis Conrad 1833
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Invalid names: Typhis (Typhina) alternata Lea 1833 [synonym]
Diagnosis
No diagnoses are available