370 
HEjrlCELLiEIA. 
UNREPRESENTED AND DOUBTFUL SPECIES. 
1. depressa (d’Orbigny), 1853-4. 
Syn. JReteporidea depressa, d’Orbiguy, 1853-4. Bry. Cret. ]>. 938, pi 773, 
figs. 4-7. 
Hornera ,, Pergens, 1890. Kevisiou, p. 353. 
Chau. — Zoarium of compressed, dichotomous hranches ; uot reticular. Zomcia 
Tervian in arrangement, there being an irregular median series. 
Distrib. — Senonian — Maastrichtian : Meudon; Sainte-Colombe. 
2. dutemplei (d’Orbigny), 1853. 
Syx. Laterocavea dutempleana, d’Orbigny, 1853. Bry. Cret. p. 933, pi. 77*2, 
figs. 7-10. 
Idmonea ,, Pergens, 1890. Kevision, ]). 350. 
Char. — Zoarium of laterally compressed branches. Apertures in overlapping 
transverse rows. Macuhn numerous and irregular. Reverse face longitudinally 
ribbed. 
Distrib. — Albian : Grandpre. 
3. lemoinei (Peron), 1888. 
Syn. Reteporidea lemoinei, Peron, 1888. Craie S.E. Bassin Anglo-Par. : Bull. 
Soc. Sci. uat. T'onne, vol. xli. p. 315, pi. iii. fig. 32. 
Char. — Zoarium much branched. Apertures in oblique series, fairly regular. 
About six zooecia in width of branch. Branches cylindrical. 
Distrib. — Senonian — Campanian : zone of Actinocamax quadratus, Reims ; 
and zone of Magas pumila, Chavot, near Epernay. 
4. perrieri (Pergens), 1890. 
Syn. Hornera perrieri, Pergens, 1890. Revision, p. 353. 
Hemicellaria ramosa, d’Orbiguy, 1850. Prod. Pal. vol. ii. p. 86. 
Semicellaria ,, d’Orbigny, 1853-4. Bry. Cret. p. 935, pi. 772, 
%s. 13, 14, 16. 
Char. — Zoarium dendroid ; the branches are cylindrical or slightly compressed, 
and divide dichotomously. The lateral rows of apertures overlap ou the middle 
line of the obverse face. 
Distrib. — Aptian: France. 
Aff. — This species was genericaUy separated owing to the prominence of azoarial 
lamina. Pergens has pointed out that this mediau crest is less developed than 
d’Orbigny represented, and included the genus in Hornera. 
?5. punctata (ePOrbigny), 1853-4 {non 1851). 
Syn. Laterocavea punctata, pars, d’Orbigny, 1853-4. Bry. Cret. p. 933, pi. 772, 
figs. 11, 12,“ 15, 15 dup. 
pars, d’Orbigny, 1851. Ihid. pi. 623, figs. 4-7. 
non Entalophora 
