|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gastropoda - Fissurellidae
It was assigned to Emarginulinae by Perrilliat (1972); to Emarginulidae by Wilson (1993); to Fissurellidae by Knight et al. (1960), Weisbord (1962), Ladd (1966), Short and Potter (1987) and Todd (2001); to Euomphalina by Sepkoski (2002); and to Emarginulini by Bouchet et al. (2005).
|Year||Name and author|
|1960||Hemitoma Knight et al. p. 228|
|1962||Hemitoma Weisbord p. 48|
|1966||Hemitoma Ladd p. 29|
|1972||Hemitoma Perrilliat p. 19|
|1987||Hemitoma Short and Potter p. 6|
|1993||Hemitoma Wilson p. 56|
|2002||Hemitoma Sepkoski, Jr.|
|2005||Hemitoma Bouchet et al. pp. 88, 243|
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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.