DISCOSPAESA. 
141 
TrPE Species. 
Semifascipora variahilis, d’Orbigny, 1853. 
Affixities. 
The relations of this genus are yery uncertain. The zooecia 
suggest that it is Diastoporidan ; but the zoarium suggests affinities 
to Theonoidae. It is not represented in the Museum collection. 
variabilis, d’Orbigny, 1853. 
Syx. Semifascipora variabilis, d’Orbignv, 1853. Bry. Cret. p. 696, pi. 745, 
figs. 4-8. 
,, ,, Pergeus, 1890. Eevision, p. 377. 
Char. — As in the genus. 
Distkib. — Senonian — Maastrichtian ; Meuclon, near Paris. 
DISCOSPARSA, d’Orbigny, 1854. 
Synonyms. 
Blast opor a, pars, d’Orbigny, 1851 ; Hamm, 1881. 
lAchenopora, pars, d’Orbigny, 1851. 
non Biscosparsa, von Eeuss, 1872 ; Marsson, 1887 ; Pocta, 1892. 
Diagnosis. 
Diastoporida3 in which the zoarium is small and cupuliform, 
attached by its central, pointed base. 
Zooecia irregularly arranged : the apertures do not occur in 
regular, radial lines. 
Type Species. 
Biscosparsa simplex, if Senonian: France. 
Affinities. 
This unimportant gi’oup may be defined as Berenicem in which 
the zoaria are cupuliform, and attached only by the centre, 
instead of being wholly adnate. The genus has been accepted by 
M. Pergens. Young stages of some species of Biastopora pass 
through a Biscosparsa stage, and Hincks ^ has proposed its absorp- 
tion in Biastopora. 
1 Hincks : Brit. Mar. Polyz. p. 460. 
