FAMILY 22. LAGENIDAE 193 



Genus FLABELLINA d'Orbigny, 1839 

 Plate 55, figure 9 



Genotype, by designation, Flahellina rugosa d'Orbigny 



FlahelUna d'Orbigny, in De la Sagra, Hist. Fis. Pol. Nat. Cuba, 1839, 



"Foraminiferes", p. 42. 

 Frondiculina VON Munster, in Roemer, Neues Jahrb. fiir Min., 1838, p. 



382 (genotype, by designation, Frondiculina ohlonga von Munster). 



Test similar to Frondicularia, but the early chambers coiled 

 both in the microspheric and megalospheric forms. 

 Cretaceous. 



Subfamily 2. Lageninae 



Test consisting of a single chamber; aperture typically 

 radiate, but elliptical or rounded in many species. 



Genus LAGENA Walker and Jacob, 1798 

 Plate 24, figures 15-17; plate 25, figure 9 



Genotype, by designation, Serpula (Lagena) sulcata Wallcer and Jacob 



Lagena Walker and Jacob, in Kannmacher's ed. of Adams' Essays 

 Micr., 1798, p. 634. 



Vermiculum Montagu, Test. Brit., 1803, p. 517 (genotype, by designation, 

 Vermiculum perlucidiim Montagu). 



Lagenula (?) Montfort, Conch. Syst., 1808, p. 311 (genoholotype, 

 Lagenula floscida Montfort). 



Oolina d'Orbigny, Voy. Amer. Merid., 1839, vol. 5, pt. 5, "Foraminiferes", 

 p. 18 (genotype, by designation, Oolina laevigata d'Orbigny). 



Amphorina d'Orbigny, in Chas. d'Orbigny's, Diet. Univ. d'Hist. Nat., 

 vol. 5, 1849, p. 666 (genotype, by designation, Atnplwrina gracilis 

 Costa) . 



Fissurina Reuss, Deutschr. Akad. Wiss. Wien, vol. 1, 1850, p. 366 (geno- 

 holotype, Fissurina laevigata Reuss). 



Ovulina Ehrenberg, Mikrogeologie, 1854, pi. 32, pt. 2, fig. 2 b (genoholo- 

 type, Ovnlina clava Ehrenberg). 



Phialina Costa, Atti Accad. Pontaniana, vol. 7, 1856, p. 122 (genotype, 

 by designation, Phialina piriformis Costa). 



Hyaleina Costa, 1. c, pi. 18, figs. 22-25 (no description and no specific 



names). 

 Tetragonulina Segubnza, Foram. Monot. Mioc. Messina, 1862, p. 53 

 (genoholotype, Tetragonulina qjvima Seguenza). 



TrigonuUna Seguenza, 1. c, p. 74 (genotype, by designation, Trigorwjpwr^-r--^. 

 oblo7iga Segvenza). /"S^^^^ ^ i 



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