Figure 1 from: Albano P, Bongiovanni B, D'Occhio P, Sabelli B (2014) Natural history museums as repositories of endangered diversity: the case of the United States Unionida in the Museo di Zoologia dell'Università di Bologna. Zoosystematics and Evolution 90(2): 105-111. https://doi.org/10.3897/zse.90.8231

Figure 1 - North-American Unionida of conservation concern in the Museo di Zoologia dell'Università di Bologna, Italy. A-B. Cyprogenia stegaria (Rafinesque, 1820), Critically Endangered (IUCN), Cumberland River, length 40 mm; C-D. Dromus dromas (Lea, 1834), Critically Endangered (IUCN), Endangered (USFWS), Cumberland River, length 64 mm; E-F. Epioblasma haysiana (Lea, 1834), Extinct (IUCN), Cumberland River, length 41 mm; G-H. Epioblasma torulosa (Rafinesque, 1820), Critically endangered (IUCN), Endangered (USFWS), Ohio River, length 56 mm; I-J. Lampsilis cariosa (Say, 1817), Endangered (IUCN), Delaware River, length 76 mm. Scale bar 1 cm.