|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Gastropoda - Fissurellidae
It was assigned to Emarginulinae by Perrilliat (1972); to Emarginulinae by Squires (1987); 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|
|1987||Hemitoma Squires p. 21|
|1993||Hemitoma Wilson p. 56|
|2002||Hemitoma Sepkoski, Jr.|
|2005||Hemitoma Bouchet et al. pp. 88, 243|
Is something missing? Join the Paleobiology Database and enter the data
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.