1846. 
1851. 
1851. 
1851. 
1853. 
1853. 
1855. 
1856. 
1856. 
1857. 
1858. 
1858. 
1850. 
1860. 
1863. 
1863. 
1865. 
1868. 
1869. 
1870. 
1870. 
1870. 
1870. 
1870. 
1871. 
1871. 
1872. 
1872. 
1873. 
1873. 
1873. 
1874. 
1875. 
1878. 
1878. 
1878. 
1878. 
1870. 
1879. 
1879. 
Genre Yoldiella, Verrill et Bush, 1897. 
Yoldiella lucida, Lovén 
Yoldia lucida Lovén, Index Moll. Scand., p. 34. 
Leda obesa Srimpson, Descr. new mar. sp. in Proc. Bost. Soc. IV, p. 13. 
= —  SrimPson, Shells of New England, p. ro, pl. IL, fig. r. 
Yoldia lucida Lov., M. Sars, Beretn. Zool. Reise in Nyt Mag. f. Naturv. VI, p. 172. 
—  — —  AsBJGRNSEN, Bidr. Christianiafj. Litoralf. 27 Nyt Mag. f. Naturv. VII, p. 333, 358. 
— — — M. Sars, Adr. Havs Fauna in Nyt Mag. f. Naturv. VIII, p. 390. 
—  — — Mar, Malak. Bidr. till Skand. Fauna in Gôteborgs k. Vet. och Vitt. Samh. Handl. 
Ny Tidsf. Heft IT, p. ro. 
—  — — Mac Anprew, Rep. N. E. Atl. Moll. #7 Rep. Brit. Assoc., p. 110, 141. 
Leda  — — Mac Anprew et Barrerr, Moll. obs. betw. Drontheim and the North Cape in Ann. 
and Mag. of Nat. Hist. 24 Ser. XVII, p. 383. 
— — — Mac Axprew et Barrerr, Distr. Moll. Nordland and Finmark in Ann. and Mag. 
of Nat. Hist. 24 Ser. XX, p. 269, 270, 272. 
Yoldiaæ — — M. Sans, Arctiske Molluskf. Norges in Forh. Vidensk. Selsk., p. 56. 
— — — H.et A. Apams, Genera of rec. Moll. II, p. 548. 
— — —  DanreLssen, Beretn. om en Zool. Reise, p. 20. 
—  — — Mau, Nya Fiskar, Kräft och Blôd-djur fôr Skand. Fauna, p. 123. 
Leda — — Hanrey in Sowergy, Thes. Conch. III, p. 145, pl. IT (227), fig. 23, 24, 25. 
— — — Jerrreys, Brit. Conch. IT, p. 155 ; V (1860), p. 173, pl. C, fig. r. 
Yoldia — — M. Sars, Foss. Dyrelevninger Quartaerperioden, p. 38, pl. III, fig. 87 à or. 
—  — — M. Sars, Forts. Bemaerk. in Vidensk. Selsk. Forh., p. 256. 
— — —  PerTir DE LA Saussaye, Catal. Test. mar., p. 67. 
— — —  Hipazco, Mol. mar. Catal. gen., p. 137. 
Esp — G. O. Sars, Chistianiafj. Fauna IT, p. 98. 
Leda — — Jerrreys, Norw. Moll. in Ann. and Mag. of Nat. Hist. 4th Ser. V, p. 440. 
—  (Yoldia) lucida Lov., Arapas et BenorT, Conch. viv. mar. della Sic., p. 311. 
Yoldia obesa Stimps., GouLp et Binney, Invert. of Massach., p. 155, fig. 463. 
—  lucida Lov., Reeve, Conch. Icon., pl. IV, fig. 17. 
— —  — G.O. Sars, Hardangerfj. Fauna in Vidensk. Selsk. Forh., p. 8. 
Leda — —  BrôGGER, Bidr. Kristianiafjord. Molluskfauna, p. 7, 12, 18. 
Yoldia (Portlandia) lucida Lov., Wuaireaves, Dredg. around Anticosti in Ann. and Mag. of Nat. Hist. 
4th Ser. X, p. 349. 
—  obesa Stimps., Verrizz, Dredg. Exp. N. Engl. in Amer. J. Sc. a. Arts 3d Ser. VI, p. 440. 
—  lucida Lov., Weinkaurr, Catal. europ. Meeresconch., p. 60. 
— — — G.O. Sars, Bidr. Dyrelivet Havbanker, p. 80. 
— —  — Dunxer et Merzcer, Drei neue Meeresconch. d. norw. Fauna tn Jahrb. d. Malakoz. 
GES, p. vor. 
Leda (Yoldia) lucida Lov., Monrerosaro, Nuova Rivista, p. 11. 
Portlandia lucida Lov., G. O. Sars, Moll. Reg. Arct. Norv., p. 37, pl. 4, fig. 82, 8b. 
Yoldia lucida Lov., Lecne, Novaja Semlja, p. 25. 
—  —  — Monrerosaro, Enum. e Sinon., p. 7. 
— —  — Koserr, Illustr. Conchylienbuch, p. 372. 
—  —  — Frrezs, Catal. Spitzberg. Moll. in Jahrb. d. Malakoz. Ges. VI, p. 266. 
— — —  Normax, Moll. of Bergen Fiords in Journ. of Conch. II, p. 40. 
Leda lucida Lov., Jerrreys, «Lightn.» and «Porcup.» Exp. in Proc. Zool, Soc. of Lond., p. 578. 
