Follow the Footsteps of Leonardo Fea: An Example of an Integrative Revision of Freshwater Mussel Taxa Described from the Former British Burma (Myanmar)

Figure 5

Shells of conchological varieties of Lamellidens savadiensis (Nevill, 1877) and Trapezidens dolichorhynchus (Tapparone-Canefri, 1889) from Myanmar (Unionidae: Parreysiinae: Lamellidentini). (a) Lamellidens savadiensis (topotype RMBH biv 261/7; Shwe Kyi Lake near Bhamo, Ayeyarwady Basin). (b) Unio marginalis var. cylindrica ([55]: pl. XLIV, image 1). (c) Unio marginalis var. cylindrica (=Lamellidens savadiensis) (specimen RMBH biv 416/3; Mone Ding Dam outlet, Ayeyarwady Basin). (d) Unio marginalis var. tricolor sensu Tapparone-Canefri, 1889 (=Lamellidens generosus) (Tapparone-Canefri’s collection; specimen MSNG with its label). (e) Unio marginalis var. subflabellata (=Lamellidens savadiensis) (Tapparone-Canefri’s collection; holotype MSNG with its label). (f) Unio marginalis var. tricolor sensu Tapparone-Canefri, 1889 (=Lamellidens generosus) (topotype RMBH biv 442/3; Ayeyarwady River at Mandalay). (g) Unio marginalis var. subflabellata (=Lamellidens savadiensis) (topotype RMBH biv 427A/2; ox-bow lake, Ayeyarwady Basin at Mandalay). (h) Unio marginalis var. subflabellata (=Lamellidens savadiensis) (topotype RMBH biv 427A/3; ox-bow lake, Ayeyarwady Basin at Mandalay). (i) Unio protensus (=Trapezidens dolichorhynchus) (topotype RMBH biv 442/1; Ayeyarwady River at Mandalay). (j) Unio gianellii (=Trapezidens dolichorhynchus) (topotype RMBH biv 423; Ayeyarwady River at Mandalay). (k) Unio protensus var. ellipticus (=Trapezidens dolichorhynchus) (topotype RMBH biv 417/2; Ayeyarwady River). (l) Unio dolichorhynchus (=Trapezidens dolichorhynchus) (topotype RMBH biv RMBH biv 442/2; Ayeyarwady River at Mandalay). (m) Unio marginalis (=Trapezidens dolichorhynchus) (Tapparone-Canefri’s collection; specimen MSNG with its label; Mandalay market). . Photos: E.S. Konopleva (a, c, f–l) and I.V. Vikhrev (d, e, m).