Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Amblemini | Reginaia
5 available nominal species synonyms (13 total synonyms)
Fusconaia ebena — Graf & Cummings (2007), Burdick & White (2007), Tiemann et al. (2007), Williams et al. (2008), Watters et al. (2009), ... Breton et al. (2011), ITIS (2012), IUCN (2012), McMurray et al. (2012), He & Zhuang (2013)
Reginaia ebenus — Campbell & Lydeard (2012), Campbell & Lydeard (2012), Inoue et al. (2013), Williams et al. (2017), Zieritz et al. (2018), ... Smith et al. (2020), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
Reginaia ebena — Haag (2012), Pfeiffer et al. (2016), Chase et al. (2018), Pfeiffer et al. (2019), Pfeiffer et al. (2019), Inoue et al. (2020), Hauck et al. (2023)
Widespread in the Interior Basin as well as the Mobile System, USA. Introduced in China.

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UF_438233-003. (28S: MK036134, 5.8S: MK036216, COI: MK044965, ITS1: MK036216, ND1: MK045116, go to Genbank) Alabama River, Alabama drainage (31.6039, -87.5497).
UF_438233-004. (28S: MK036135, 5.8S: MK036217, COI: MK044966, ITS1: MK036217, ND1: MK045117, go to Genbank) ditto.
UAUC_71. (16S: AF232790, COI: AF232815, ND1: AY655098, go to Genbank) Tennessee River, Kentucky Reservoir, RM 88.1, Humpheys Co. TN.
UF_438113. (16S: MK001788, 28S: MK001822, 5.8S: KT285673, COI: KT285629, ITS1: KT285673, SRA: SRR8473078, go to Genbank) USA, Alabama, Clarke/Monroe County, Alabama River (ARM) 39.2, [2.4 mi. ENE of Choctaw Bluff, AL] (31.36963, -87.727516).
ASUMZ_4899 (Fe01_White). (COI: KF035133, ND1: KF035281, go to Genbank) White River, Monroe Co., AR (34.6812, -91.3145).