Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Toxolasma
4 available nominal species synonyms (7 total synonyms)
Toxolasma lividus — Graf & Cummings (2007), Tiemann et al. (2007), Chapman et al. (2008), Chapman et al. (2008), Cummings & Graf (2010), Breton et al. (2011), ITIS (2012), Haag (2012), Mitchell et al. (2016), Chase et al. (2018), Patterson et al. (2021)
Toxolasma lividum — Williams et al. (2008), Watters et al. (2009), Bogan (2010), Campbell & Lydeard (2012), IUCN (2012), ... FMCS (2021), Hopper et al. (2023), MolluscaBase (2024), Freeman et al. (2025), FMCS (2025)
Toxolasma glans — Breton et al. (2011), Chase et al. (2018), Stewart et al. (2021)
Toxolasma cylindrellus — IUCN (2012)
Toxolasma lividus grans [sic] — Kongim et al. (2015)
Widespread in the Interior Basin, excluding the upper Mississippi, USA.

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Mp_2667_H1710g. (COI M-type: EF033293, COII M-type: EF033313, go to Genbank) Amite River, near Port Vincent, East Baton Rouge Parish, Louisiana.
Mp_2667_H1709. (COI: EF033255, COII: EF033275, go to Genbank) Clinton River, outflow of Dawsons Mill Pond, Beaudette Park, upstream of Orchard Lake Road crossing, Pontiac, Oakland County, Michigan.
UF_438185-6055. (28S: MK036136, 5.8S: MK036218, COI: MK044967, ITS1: MK036218, ND1: MK045118, go to Genbank) Tennessee River, Tennessee drainage (34.737, -87.8124).
UF_438185-6057. (28S: MK036137, 5.8S: MK036219, COI: MK044968, ITS1: MK036219, ND1: MK045119, go to Genbank) ditto.