Vema bacescui

{{Short description|Species of monoplacophoran}}

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| taxon = Vema bacescui

| authority = Menzies, 1968

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Vema bacescui is a species of monoplacophoran, a superficially limpet-like marine mollusc.{{cite WoRMS |author=MolluscaBase |year=2020 |title=Vema bacescui |id=343696 |access-date=September 17, 2020 |db=MolluscaBase}}

It is found in the Peru-Chile Trench of the southeastern Pacific Ocean. At 2.8 cm, it is relatively large for a monoplacophoran.Schwabe, Enrico (2008). [https://www.mapress.com/j/zt/article/view/zootaxa.1866.1.10/26232 A summary of reports of abyssal and hadal Monoplacophora and Polyplacophora (Mollusca)]. In: Martínez Arbizu, P. & Brix, S. (Eds) (2008) Bringing Light into Deep-sea Biodiversity. Zootaxa, 1866, 1–574.