|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Tryblidioidea - Protoconchoididae
It was reranked as Protoconchioides by Runnegar and Jell (1976), Geyer (1994), Sepkoski (2002) and Bouchet et al. (2005).
It was assigned to Scenella by Shaw (1962); to Scenellidae by Runnegar and Jell (1976); to Mollusca by Sepkoski (2002); and to Protoconchoididae by Geyer (1994) and Bouchet et al. (2005).
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|A. B. Shaw 1962||In order to separate these lower, uncoiled, and presumably more primitive forms from the higher, slightly coiled and presumably more advanced forms, the genus Scenella is here split into two subgenera. For the less primitive forms we may recognize Scenella (Scenella), with S. (S.) reticulata Billings, 1872, as subgenotype, and for the more primitive forms Scenella (Protoconchoides), n. subgen., with Scenella hermitensis Resser, 1945, as subgenotype. Table 2 summarizes the principal features of the species discused below.|