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Helicotoma planulata
Taxonomy
Helicotoma planulata was named by Salter (1859). It is not extant. It is the type species of Helicotoma.
Subspecies
Synonymy list
Year | Name and author |
---|---|
1859 | Helicotoma planulata Salter p. 14 figs. pl. 2 f. 5-7 |
1897 | Helicotoma planulata Ulrich and Scofield p. 1033 figs. pl. 74 f. 16-17 |
1924 | Helicotoma planulata Foerste p. 216 |
1941 | Helicotoma planulata Knight p. 144 figs. pl. 75 f. 2a-c |
1951 | Helicotoma planulata Wilson p. 64 figs. pl. 11 f. 8-14 |
1969 | Helicotoma planulata Liberty |
2023 | Helicotoma planulata Wagner p. 821 |
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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.
†Helicotoma planulata robusta Salter 1859
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Diagnosis
No diagnoses are available