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Thu 17 July 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

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Publication Utterback (1915): summary
     publication summary

Complete Citation

Utterback, W.I. 1915. The naiades of Missouri. III. American Midland Naturalist 4(5): 181-204. Available electronically.

Attributed Nominal Species

Elliptio dilatata var. subgibbosa Utterback, 1915
‘Lea’ Utterback, 1915. Amer. Midl. Nat. 4(5): 202-203, pl. 21, figs. 68a-d.
(misidentified reference to Unio subgibbosus Lea, 1857)

Plethobasus cooperianus Utterback, 1915
‘Lea’ Utterback, 1915. Amer. Midl. Nat. 4(5): 183, pl. 20, fig. 57a-b.
(misidentified reference to Unio cooperianus Lea, 1834)

Pleurobema missourense Utterback, 1915
‘Marsh’ Utterback, 1915. Amer. Midl. Nat. 4(5): 195.
(error for Pleurobema missouriensis Marsh, 1901)

Pleurobema utterbackii Utterback, 1915
Frierson in Utterback, 1915. Amer. Midl. Nat. 4(5): 197, pl. 5, fig. 12a-b; pl 20, figs. 63A-D.
Frierson, 1927. Check List N. Amer. Naiades: 57, sp. 247 [as ‘Q. (Fusconaia) utterbackii’].
Type(s): HOLOTYPE (ORIG. DESIG.) MCZ_271448, White R., Hollister, Taney Co., Missouri.

Quadrula (Cyclonaias) tuberculata utterbackiana Frierson, 1927
‘Lea’ Utterback, 1915. Amer. Midl. Nat. 4(5): 183, pl. 20, fig. 57a-b [as ‘Plethobasus cooperianus’].
Frierson, 1927. Check List N. Amer. Naiades: 52, sp. 224c.
(intro'd as intra-sp. of Obliquaria (Rotundaria) tuberculata Rafinesque, 1820)

Taxonomic Opinions

Elliptio dilatata (Rafinesque) = Eurynia dilatata
+ Unio gibbosus Barnes, 1823
+ Unio arctior Lea, 1838

Elliptio dilatata delicata (Simpson) = Eurynia dilatata

Elliptio dilatata subgibbosa (Lea) = Elliptio arctata
+ Unio lazarus Lea, 1852

Elliptio dilatata subgibbosa (Lea) = Elliptio arca

Elliptio nigra Rafinesque = Elliptio crassidens
+ Unio cuneatus Barnes, 1823

Plethobasus aesopus (Green) = Plethobasus cyphyus
+ Unio cyphia Rafinesque, 1820

Plethobasus cooperianus (Lea)

Pleurobema catillus (Conrad) = Pleurobema sintoxia
+ Unio solidus Lea, 1838
+ Unio solidus Lea, 1838
+ Unio fulgidus Lea, 1845

Pleurobema coccineum (Conrad) = Pleurobema sintoxia

Pleurobema missourense [sic] (Marsh) = Pleurobema sintoxia

Pleurobema obliquum (Lamarck) = Pleurobema cordatum
+ Unio obliquus Call, 1900

Pleurobema obliquum catillus (Conrad) = Pleurobema sintoxia

Pleurobema obliquum coccineum (Conrad) = Pleurobema sintoxia

Pleurobema obliquum plenum (Lea) = Pleurobema plenum

Pleurobema obliquum pyramidatum (Lea) = Pleurobema sintoxia

Pleurobema utterbackii Frierson = Fusconaia ozarkensis

Rotundaria granifera (Lea) = Cyclonaias tuberculata

 
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