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Trochonema umbilicata
Taxonomy
Pleurotomaria umbilicata was named by Hall (1847). It is not extant. It is the type species of Trochonema.
It was recombined as Trochonema umbilicatum by Twenhofel (1928), Pitcher (1939), Nelson (1963) and Liberty (1969); it was misspelled as Trochonema unbilicatum by Sloan and Webers (1987); it was recombined as Trochonema umbilicata by Salter (1859), Ulrich and Scofield (1897), Wilson (1951), Wagner (1995), Wagner (1999) and Wagner (2023).
It was recombined as Trochonema umbilicatum by Twenhofel (1928), Pitcher (1939), Nelson (1963) and Liberty (1969); it was misspelled as Trochonema unbilicatum by Sloan and Webers (1987); it was recombined as Trochonema umbilicata by Salter (1859), Ulrich and Scofield (1897), Wilson (1951), Wagner (1995), Wagner (1999) and Wagner (2023).
Synonymy list
Year | Name and author |
---|---|
1847 | Pleurotomaria umbilicata Hall pp. 43, 175 figs. pl. 10 f. 9a-b; pl. 38 f. 1a-g |
1859 | Trochonema umbilicata Salter p. 27 |
1897 | Trochonema umbilicata Ulrich and Scofield pp. 1047-1048 figs. pl. 77 f. 1-3. 7-8 |
1928 | Trochonema umbilicatum Twenhofel p. 252 |
1939 | Trochonema umbilicatum Pitcher p. 101 |
1951 | Trochonema umbilicata Wilson p. 70 figs. pl. 13 f. 3-6 |
1963 | Trochonema umbilicatum Nelson p. 64 |
1969 | Trochonema umbilicatum Liberty |
1987 | Trochonema unbilicatum Sloan and Webers p. 185 |
1995 | Trochonema umbilicata Wagner p. 177 |
1999 | Trochonema umbilicata Wagner p. 29 |
2023 | Trochonema umbilicata Wagner p. 2144 |
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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.
†Trochonema umbilicata Hall 1847
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Diagnosis
No diagnoses are available