30 



PROTOZOA— EHIZOPODA 



PHYLUM I 



Subfamily B. Nodosarinae Brady. 



Test either coiled or uniserial, or a modification of one or the other. 



Nodosaria Lam. (Fig. 1 6, B). Test rod-shaped ; chambers arranged in 

 a linear series and set off from one another by constrictions ; oral aperture 

 round, terminal. Abundant and widely distributed from Silurian to Recent. 



Fig. 16. 



A, Lagena semhtrlata Williamson. Antwerp Crag (Pliocene); Antwerj). B, Nodosaria npinicusfa d'Orb. 

 Tegel (Miocene); Baden, ne.ar Vienna, i \ Brntalina rieguiis d'Orh. Same locality. D, CristellariarotulataLia.m. 

 Scapliiten-PUiner (Tnronian) ; Bohemia. E, i'ayinulina recta Beuss. Neocondan ; Salzgitter, Hanover. F, 

 LiwjuVuM coitata d'Orb. Tegel (Miocene) ; Baden, near Vienna. 



Dentalina d'Orb, (Fig. 16, C). Like the preceding, but test slightly 

 arcuate. Carboniferous to Recent. 



Lingulina d'Orb. (Fig. 16, F). Test rectilinear, compressed; segments 

 regularly attached ; aperture terminal, slit-like. Trias to Recent. 



Glandulina d'Orb. (Fig. 17, A). Test abbreviate, ovate; segments united 

 in rectilinear series, half embracing one another. General aperture round, 

 terminal, tubiform. Trias to Recent. 



Vaginulina d'Orb. (Fig. 16, E). Test rectilinear, laterally compressed; 

 segments flattened, with obliquely directed septa. Trias to Recent. 



M ar g i n u I i n a 

 d'Orb. Early portion 

 arched or helicoid, 

 later segments recti- 

 linear. Terminal 

 aperture slit - like. 

 Trias to Recent. 



Cristellaria Lam. 

 (Fig. 16, B). Test 

 regularly planospiral, 

 with convolutions 

 completely envelop- 

 ing one another. Ter- 

 minal aperture round. 

 Trias to Recent. 

 Frondirularia Defr. (Fig. 1 7, D). Test extremely compressed and foliately 

 expanded in a single plane ; chambers reflexed and laterally embracing one 

 another. Terminal aperture round. Trias to Recent. 



Fio. IT. • 



A, (llandidiiia inflata Bornem. Septarienthon (Oligocene) ; Hermsdorf. 

 ]1, Polymorjjliina hijial<i Williamson. Recent ; German Ocean. C, Ditnorpliina 

 sp. Pliocene; Sienna, Italy. D, Frundicniaria iiohlfitsui, Renss. Scaphiten- 

 Pliincr ; Diihnen, Westphalia. E, Uvinerlna prjgmara d'Orb. Tegel (Miocene) ; 

 Baden, near Vienna. 



