|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Bivalvia - Mytilida - Mytilidae
It was recombined as Modiolus demissus by Richards (1962); it was recombined as Volsella demissa by Matthews (1967); it was recombined as Geukensia demissa by Hendy et al. (2008).
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.