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Trochonema umbilicata

Gastropoda - Murchisoniina - Trochonematidae

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 (2017).

Synonymy list
YearName and author
1847Pleurotomaria umbilicata Hall pp. 43, 175 figs. pl. 10 f. 9a-b; pl. 38 f. 1a-g
1859Trochonema umbilicata Salter p. 27
1897Trochonema umbilicata Ulrich and Scofield pp. 1047-1048 figs. pl. 77 f. 1-3. 7-8
1928Trochonema umbilicatum Twenhofel p. 252
1939Trochonema umbilicatum Pitcher p. 101
1951Trochonema umbilicata Wilson p. 70 figs. pl. 13 f. 3-6
1963Trochonema umbilicatum Nelson p. 64
1969Trochonema umbilicatum Liberty
1987Trochonema unbilicatum Sloan and Webers p. 185
1995Trochonema umbilicata Wagner p. 177
1999Trochonema umbilicata Wagner p. 29
2017Trochonema umbilicata Wagner p. 2144

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
subclassOrthogastropoda
orderMurchisoniina
superfamilyTrochonematoidea()
familyTrochonematidae
genusTrochonema
speciesumbilicata()

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.

Diagnosis
No diagnoses are available