250 
RADIOPORIDJ5. 
by radial grooves, which may be covered by an imperforate 
floor, or may be pierced by the apertures of the smaller, 
shorter zooecia. 
Yar. sellula: small zoaria, with a large central area. 
NoiT.fmiformis^ var. nov.: zoaria with large, regular, fusiform rays. 
Dimensions. 
1). 3.510. 
60,156. 
mm. 
mm. 
Diameter of zoarium 
6 X 6’.o 
9 
Thickness of zoarium 
— 
4 
Length of radial zocecial bundles ... 
‘2 
3 
Maximum width of zooecial bundles 
•8 
... -75 
Diameter of aperture 
•l.'j 
•15 
Distribution. 
Danian: Annetorp, Sweden. 
Senonian — Maastrichtiau : Maastricht ; Ciply. 
Campanian : Riigen. Zone of Bdemuilella mucronata\ (beds 
with Actinocamax mnmiUatus) : Ignaherga, Balsberg, Karls- 
hanim, and 0. Karup. 
Fig. 63. — Liehenojwra stelJafa \ Fig. 64 . — Lichempora stellata. Part of 
X 6f. 60,156a. a vertical section ; x 6-|. 60,166a. 
Figures. 
Fig. 62, p. 248. A zoarium from above of var. fusiformis; 
X 5 dia. Maastrichter Kalk : Maastricht. Yan Breda ColL 
D. 3510. 
Fig. 63. A quadrant of the upper surface of a zoarium^ 
showing the radial zooecial bundles and central depressed area ; 
X 6f dia. Maastrichter Kalk : Maastricht. Yan Breda Coll. 
60,156a. 
Fig. 64. Side view of vertical section through the same 
zoarium; X 6f dia. 60,156a. 
Fig. 65, p. 251 . Part of a thin vertical section through a zoarium, 
showing the zooecia partly in longitudinal and partly in transverse 
