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Trinema
Taxonomy
Trinema was named by Cook (1997). It is not extant. Its type is Trinema heideckeri.
It was replaced with Heideckernema by Cook (1998).
It was assigned to Caenogastropoda by Hendy (2008).
It was replaced with Heideckernema by Cook (1998).
It was assigned to Caenogastropoda by Hendy (2008).
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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.
G. †Trinema Cook 1997
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Diagnosis
No diagnoses are available