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Trochonema retrorsum

Gastropoda - Murchisoniina - Trochonematidae

Taxonomy
Trochonema retrorsum was named by Ulrich and Scofield (1897). It is not extant.

Synonymy list
YearName and author
1897Trochonema retrorsum Ulrich and Scofield
1985Trochonema retrorsum Rohr and Blodgett p. 673
1995Trochonema retrorsum Wagner p. 177
1999Trochonema retrorsum Wagner
2023Trochonema retrorsum Wagner p. 2139

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassOrthogastropoda
orderMurchisoniina
superfamilyTrochonematoidea()
familyTrochonematidae
genusTrochonema
speciesretrorsum

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 retrorsum Ulrich and Scofield 1897
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Diagnosis
No diagnoses are available