MUSSELpdb

Fischer, P. & H. Crosse. 1894. Études sur les mollusques terrestres et fluviatiles du Mexique et du Guatemala. Mission Scientifique au Mexique et dans l’Amerique Central, Recherches Zoologiques 2(15): 489-576. Available electronically.

Attributed Nominal Genera

Actinonaias Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 556.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio sapotalensis Lea, 1841 (orig. desig.) = Actinonaias sapotalensis

Amphinaias Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 556.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio couchianus Lea, 1860 (orig. desig.) = Quadrula couchiana

Amygdalonaias Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 557.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio cognatus Lea, 1860 (orig. desig.) = Truncilla cognata

Barynaias Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 557.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio pigerrimus Crosse & Fischer, 1894 (orig. desig.) = Psoronaias crocodilorum

Brachyanodon Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 517.
(intro'd as sub-gen. of Anodonta Lamarck, 1799)
Type species: Anodonta chapalensis Crosse & Fischer, 1893 (sub. desig. by Thiele, 1934: 832) = Brachyanodon impura

There are 22 available nominal genera attributed to this publication (22 total).

Caenonaias Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 556 [as ‘Cænonaias’].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio aeruginosus Morelet, 1849 (orig. desig.) = Nephronaias aeruginosa

Cyrtonaias Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 556.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio berlandierii Lea, 1857 (orig. desig.) = Cyrtonaias berlandierii

Delphinonaias Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 555.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio delphinulus Morelet, 1849 (orig. desig.) = Delphinonaias largillierti

Disconaias Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 556.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio discus Lea, 1838 (orig. desig.) = Disconaias disca

Euryanodon Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 518.
(intro'd as sub-gen. of Anodonta Lamarck, 1799)
Type species: Anodon bambousearum Morelet, 1851 (sub. desig. by Haas, 1969: 557) = Anodontites cylindracea

Graphonaias Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 557.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio medellinus Lea, 1838 (orig. desig.) = Actinonaias medellina

Leptonaias Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 557.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio ravistellus Morelet, 1849 (orig. desig.) = Nephronaias ravistella

Mesanodon Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 517.
(intro'd as sub-gen. of Anodonta Lamarck, 1799)
Type species: Anodon lurulentus Morelet, 1849 (subsequent designation) = Anodontites lurulenta

Mesonaias Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 556.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio explicatus Morelet, 1849 (orig. desig.) = Mesonaias explicata

Nephronaias Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 556.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio plicatulus Küster, 1856 (orig. desig.) = Nephronaias aztecorum

Pachynaias Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 556.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio spheniopsis Morelet, 1849 (orig. desig.) = Pachynaias spheniopsis

Phyllonaias Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 555.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio paludosus Morelet, 1849 (orig. desig.) = Delphinonaias largillierti

Pseudoleila Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 518.
(intro'd as sub-gen. of Anodonta Lamarck, 1799)
Type species: Anodon ciconia Gould, 1851 (monotypy) = Anodontites trapesialis

Psoronaias Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 556.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio psoricus Morelet, 1851 (orig. desig.) = Psoronaias crocodilorum

Pyganodon Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 518.
(intro'd as sub-gen. of Anodonta Lamarck, 1799)
Type species: Anodonta globosa Lea, 1841 (subsequent designation) = Pyganodon globosa

Simonaias Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 557.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio tabascoensis Küster, 1856 (orig. desig.)

Sphenonaias Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 557.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio liebmanni Philippi, 1847 (orig. desig.) = Sphenonaias liebmanni

Attributed Nominal Species

Anodonta chalcoensis Crosse & Fischer, 1893 = Brachyanodon impura

Crosse & Fischer, 1893. J. de Conch. 41: 110.
Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 522, pl. 64, figs. 7-7a.
Type(s): SYNTYPE MNHN_IM-2000-1656, Mexique, Lac de Chalco.

Anodonta chapalensis Crosse & Fischer, 1893 = Brachyanodon impura

Crosse & Fischer, 1893. J. de Conch. 40: 295.
Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 518, pl. 64, figs. 8-11.
Type(s): SYNTYPES MNHN_IM-2000-1657, Mexique, Lac de Tchapala.

Anodonta ciconia ‘Gould’ of Authors = Anodontites trapesialis

‘Gould’ of Authors.
Carpenter, 1857. Maz. Shells: 117.
Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 534, pl. 68, 78, figs. 2-2a.
Martens, 1900. Biol. Centr.-Amer., Moll.: 536, pl. 41, fig. 4.
(reference to Anodon ciconia Gould, 1851)

Unio scutulatus var. B obliterata Fischer & Crosse, 1894 = Delphinonaias scutulata

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 561, pl. 59, fig. 5.
(intro'd as intra-sp. of Unio scutulatus Morelet, 1849)
Type(s): LECTOTYPE BMNH_1893-2-4-2017-2018 (by Cummings et al., 2025: 168), S. Geronimo, Yucatan, Mexico.

Unio scutulatus var. G secabilis Fischer & Crosse, 1894 = Delphinonaias scutulata

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 561, pl. 59, fig. 6.
(intro'd as intra-sp. of Unio scutulatus Morelet, 1849)
Type(s): LECTOTYPE BMNH_1893-2-4-2016 (by Cummings et al., 2025: 168), S. Geronimo, Yucatan, Mexico.

Anodonta cylindracea var. subarcuatula Fischer & Crosse, 1894 = Anodontites cylindracea

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 528.
(intro'd as intra-sp. of Anodonta cylindracea Lea, 1838)
Type(s): TYPE LOST XXX_UNKNOWN, Mexique, dans le Rio Mdellin.

Anodonta tehuantepecensis Crosse & Fischer, 1893 = Anodontites tehuantepecensis

Crosse & Fischer, 1893. J. de Conch. 41: 32.
Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 526, pl. 70, figs. 1-1a.
Type(s): HOLOTYPE (MONOTYPY) MNHN_IM-2000-1798, Mexique, Cacoprieto, Isthmo de Tehuantepec.

Unio usumasintae Crosse & Fischer, 1893 = Psoronaias crocodilorum

Crosse & Fischer, 1893. J. de Conch. 40: 294 [as ‘usumasintæ’].
Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 574, pl. 63, fig. 4; pl. 67, fig. 5 [as ‘usumasintæ’].
(renamed Unio usumacintae Martens, 1900)
Type(s): TYPE LOST XXX_UNKNOWN, in flumine Usumasinta, Provinciæ Peten dictæ, Guatemalæ.