MYIDAE Lamarck, 1809

Coan, Eugene V., Pacaud, Jean-Michel & Kabat, Alan R., 2024, Gérard-Paul Deshayes (1796 - 1875) and his taxa, Geodiversitas 46 (16), pp. 553-930 : 789-790

Family MYIDAE Lamarck, 1809

aequilateralis , Sphenia – Deshayes, 1857-DescrCoqFoss: 196-197, 11 bis, pl. 11 bis, figs 4-7. — Type locality: Beauval. — Type age: Eocene (Bartonian). — Current status: Sphenia aequilateralis Deshayes, 1857 ( Glibert & Van de Poel 1966a: 34; Le Renard & Pacaud 1995: 67).

anatinoides, Sphenia –Deshayes, 1857-DescrCoqFoss: 194, 11, pl. 11, figs 24-27. — Type locality: Cuise-la-Motte. — Type age: Eocene (Ypresian). — Current status: synonym of Sphenia myalis Deshayes, 1857 ( Cossmann 1886a: 38; Le Renard & Pacaud 1995: 67).

angulata , Sphenia – Deshayes, 1856-DescrCoqFoss: 10, pl. 10, figs 21-23; 1857-DescrCoqFoss: 197. — Type localities: Rilly-la-Montagne & Froidmont. — Type age: Eocene (Ypresian). — Current status: Sphenia angulata Deshayes, 1856 ( Le Renard & Pacaud 1995: 68).

angusta , Sphenia – Deshayes, 1857-DescrCoqFoss: 200-201, 11 bis, pl. 11 bis, figs 8-11 [in text mistakenly as 7-11]; 1865-DescrCoqFoss: 665 [this correction noted]. — Type localities: Thiverval-Grignon, Chambors, Saint-Thomas & Hermonville. — Type age: Eocene (Lutetian). Synonym of Sphenia rostrata ( Lamarck, 1806) [ Corbula ] ( Glibert & Van de Poel 1966a: 36). — Current status: Sphenia angusta Deshayes, 1857 ( Le Renard & Pacaud 1995: 68; Pacaud 2008: 94).

baudoni , Sphenia – Deshayes, 1856-DescrCoqFoss: 10, pl. 10, figs 30-32;1857-DescrCoqFoss: 191. — Type locality: Hadancourtle-Haut-Clocher. — Type age: Eocene (Bartonian). Synonym of Sphenia passyana Deshayes, 1857 ( Cossmann 1886a: 37-38; Glibert & Van de Poel 1966a: 36; Le Renard & Pacaud 1995: 67; Pacaud 2008: 94). — Current status: this species name being a year earlier, the synonymy should be the other way around – Sphenia baudoni Deshayes, 1856 .

cuneiformis , Sphenia – Deshayes, 1857-DescrCoqFoss: 198-199, 11, pl. 11, figs 35-38. — Type locality: Caumont. — Type age: Eocene (Bartonian). — Current status: Sphenia cuneiformis Deshayes, 1857 ( Glibert & Van de Poel 1966a: 35; Le Renard & Pacaud 1995: 68).

decussata , Corbula – Deshayes, 1844d: 2, pl. 105. — Type locality: Sumatra. — Type age: Recent. — Current status: Tugonella decussata (Deshayes, 1844) ( Huber 2010a: 461) .

donaciformis , Sphenia –Deshayes, 1857-DescrCoqFoss: 199, 11, pl. 11, figs 14-17. — Type locality: Cuise-la-Motte. — Type age: Eocene (Ypresian). — Current status: Sphenia donaciformis Deshayes, 1857 ( Glibert & Van de Poel 1966a: 35; Le Renard & Pacaud 1995: 68).

fabagella , Sphenia – Deshayes, 1856-DescrCoqFoss: 10, pl. 10, figs 27-29; 1857-DescrCoqFoss: 190-191. — Type locality: Coincourt. — Type age: Eocene (Lutetian). — Current status: synonym of Sphenia passyana Deshayes, 1857 ( Cossmann 1886a: 37-38; Glibert & Van de Poel 1966a: 36; Le Renard & Pacaud 1995: 67; Pacaud 2008: 94).

fragilis , Sphenia – Deshayes, 1857-DescrCoqFoss: 198, 11, pl. 11, figs 11-13, non H. Adams & A. Adams, 1856. — Type localities: Mont-Bernon (Epernay) & Cramant. — Type age: Eocene (Ypresian). — Current status: Sphenia ruhoffae Le Renard, 1994 ( Le Renard 1994: 39), replacement name.

myalis , Sphenia –Deshayes, 1857-DescrCoqFoss: 193-194, 11, pl. 11, figs 6-10. — Type localities: Cuise-la-Motte & Laon. — Type age: Eocene (Ypresian). — Current status: Sphenia myalis Deshayes, 1857 ( Glibert & Van de Poel 1966a: 36; Le Renard & Pacaud 1995: 67).

passyana , Sphenia – Deshayes, 1857-DescrCoqFoss: 189-190, 11, pl. 11, figs 1-5 [in text as figs 1-6]; 1865-DescrCoqFoss: 665 [correction noted]. — Type localities: Montjavoult & Coincourt. — Type age: Eocene (Lutetian). Sphenia passyana Deshayes, 1857 ( Glibert & Van de Poel 1966a: 36; Le Renard & Pacaud 1995: 67; Pacaud 2008: 94). — Current status: synonym of Sphenia baudoni Deshayes, 1856 .

pellucida , Sphenia –Deshayes, 1857-DescrCoqFoss: 195, 11, pl. 11, figs 22-25. — Type localities: Mont-Bernon (Épernay). — Type age: Eocene (Ypresian). — Current status: synonym of Sphenia angulata Deshayes, 1857 ( Cossmann 1886a: 40; Le Renard & Pacaud 1995: 68).

pseudomya, Mya – Deshayes, 1839-TraitElem: 4, pl. 5, fig. 7. — Type locality: none given. — Type age: not stated. — Current status: taxon inquirendum.

tenera , Sphenia – Deshayes, 1857-DescrCoqFoss: 191-192, 11, pl. 11, figs 28-31. — Type locality: Étréchy & Jeurre. — Type age: Oligocene (Rupelian). — Current status: Sphenia tenera Deshayes, 1857 ( Lozouet & Maestrati 2012a: 266-267, fig. 170: 5-8).

terquemi , Sphenia – Deshayes, 1857-DescrCoqFoss: 196, 11, pl. 11, figs 18-21. — Type locality: Rilly-la-Montagne. — Type age: Eocene (Ypresian). — Current status: Sphenia terquemi Deshayes, 1857 ( Le Renard & Pacaud 1995: 68).

truncata , Sphenia – Deshayes, 1856-DescrCoqFoss: 10, pl. 10, figs 24-26; 1857-DescrCoqFoss: 193. — Type locality: Saint-Félix. — Type age: Eocene (Lutetian). — Current status: Sphenia truncata Deshayes, 1857 ( Glibert & Van de Poel 1966a: 37; Le Renard & Pacaud 1995: 67; Pacaud 2008: 94).

tugon, Mya – Deshayes, 1832-EncyMeth: 592. — Type locality: Senegal. — Type age: Recent. — Current status: synonym of Tugonia anatina (Gmelin, 1791) [ Mya ] ( Huber, 2015: chapter 5 on CD), the type species (SD J. E. Gray, 1847) of Tugonia J. E. Gray, 1842 .

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myacina, Sphenia – Cossmann & Peyrot (1909a: pl. 2, figs 66- 68; 1909b: 164-165), ex Deshayes ms. A Miocene (Burdigalian) species from Dax and Léognan, with the name taken from a Deshayes label, rendered in Glibert & Van de Poel (1965b: 36) as “Deshayes in Cossmann & Peyrot”.