Tandonia sowerbyi is purported to be a species of terrestrial slug placed in the genus Tandonia, which belongs to the family Milacidae. As of the current state of accessible scientific literature and taxonomic databases, there is no verifiable record confirming the formal description, valid publication, or accepted status of this binomial name. Consequently, the term is not widely recognized in authoritative malacological references.
Possible etymology
- Tandonia – The generic name is derived from the surname of French naturalist Édouard Tandon (1799–1872), after whom the genus was named by Bourguignat in 1864.
- sowerbyi – The specific epithet traditionally honors a member of the Sowerby family, notably the 19th‑century British naturalists James Sowerby, George Burritt Sowerby, or their descendants, who made significant contributions to conchology and natural history.
Taxonomic context
The genus Tandonia comprises several species of air‑breathing, shell‑less land slugs distributed across Europe and parts of the Mediterranean region. Species in this genus are characterized by a leathery mantle, a well‑developed reproductive system, and a preference for humid habitats such as woodlands, gardens, and agricultural fields.
Status of information
Due to the absence of peer‑reviewed publications, type specimen records, or entries in reputable databases such as the World Register of Marine Species (WoRMS) or the MolluscaBase, the existence and taxonomic validity of Tandonia sowerbyi remain unsubstantiated. Further research, including examination of original literature or consultation with taxonomic experts, would be required to confirm whether this name has ever been formally applied to a recognized species.