. Bulletin of the British Museum (Natural History). . Fig. 306 Diplodon (Ecuadorea) biblianas (Marshall & Bowles). LL27807; left valve, X 2, of specimen whose right valve was figured by Bristow & Parodiz (1982: fig. 1) as Diplodon (Ecuadorea) guaranianus biblianus. Miocene, Loyola Formation; Loc. CRB 28, Cuenca Basin, Ecuador; Bristow Colin. Figs 307-308 Diplodon (Ecuadorea) guaranianus (d'Orbigny). 307, BMZD ; lectotype of Unio guaranianus d'Orbigny, figured by d'Orbigny (1846; pi. 69, figs 10-12). Recent; Rio Parana, Prov. Corrientes, Argentina, d'Orbigny Colin
. Bulletin of the British Museum (Natural History). . Fig. 306 Diplodon (Ecuadorea) biblianas (Marshall & Bowles). LL27807; left valve, X 2, of specimen whose right valve was figured by Bristow & Parodiz (1982: fig. 1) as Diplodon (Ecuadorea) guaranianus biblianus. Miocene, Loyola Formation; Loc. CRB 28, Cuenca Basin, Ecuador; Bristow Colin. Figs 307-308 Diplodon (Ecuadorea) guaranianus (d'Orbigny). 307, BMZD ; lectotype of Unio guaranianus d'Orbigny, figured by d'Orbigny (1846; pi. 69, figs 10-12). Recent; Rio Parana, Prov. Corrientes, Argentina, d'Orbigny Colin. Left valve, x 3. 308, BMZD 1965169; holotype of Unio fluctiger Lea, figured by Sowerby (1868, species 229). Recent; unlocalized; Cuming Colin. Left valve, x 2. Figs 309-310 Diplodon (Ecuadorea) hylaeus (d'Orbigny). 309, BMZD ; lectotype of Unio hylaeus d'Orbigny, figured by d'Orbigny (1847: pi. 69, figs 8, 9). Recent; Chiquitos Province, Bolivia. Left valve, x 310, BMZD ; paralectotype. Recent; Santa Cruz de la Sierra Prov., Bolivia; d'Orbigny Colin. Umbonal region of right valve, x 5. chevrons and sometimes reaching to ventral commissure, sometimes covering most of shell; dentition, as for genus; glochidia non-parasitic where known. Other species assigned. Fossil: Triplodon latouri Pilsbry & Olsson, 1935; ? Miocene, La Cira Formation, Colombia. Diplodon (Ecuadorea) bristowi Parodiz, in Bristow & Parodiz 1982; Miocene, Loyola Formation, Ecuador. Recent: Unio guaraniana d'Orbigny, 1835a; Rio Parana, Argentina; = Unio fluctiger Lea, 1859; unlocalized. Unio hylaea d'Orbigny, 1835a; Province of Santa Cruz and Chiquitos, Bolivia. Castalia pazi Hidalgo, 1868; Imbabura, Ecuador. Distribution. Miocene to Recent, South America only. Remarks. Ecuadorea is unfortunately based on an indifferently preserved fossil species. The list of living species assigned does not claim to be exhaustive: all were included in Diplodon () by Haas (1969a) who d
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