16 
THEOKOIDJS. 
5. Actinopora diadema (Goldfnss), 1827. 
Synonymy. 
Ceriopora diadema, pars, Goldfuss, 1827. Petref. Germ. vol. i. p. 39, pi. xi. 
figs. \2d, €', ?/; non p. 104, pi. xxxvii. fig. 3. 
,, ,, pars, MoiTen, 1829. Corall. loss. Belg. : Aim. Acc. 
Groning. 1828, p. 43. 
,, ,, Eoraer, 1840. Yerst. nordd. Kr. p. 20, pi. ii. fig. 12. 
,, ,, pars, Giebel, 1848. Planerm. Quedlinb. : Zeit. Zool. 
Zoot. Palaoz. vol. i. p. 17. 
? ,, ,, Dubois de Montpereux, 1836. Geol. Cauc. et Crimee : 
Bull. Soc. geol. France, vol. viii. p. 385. 
? ,, ,, de Yerneuil, 1838. Geol. Crimee: !Mem. Soc. geol. France, 
vol. iii. p. 21. 
? ,, ,, Baily, 1858. Invert. Crimea: Quart. Journ. Geol. Soc. 
vol. xiv. p. 156. 
pars, d’Orbigny, 1850. Prod. Pal. vol. ii. p. 267. 
[Befrancia) diadema, \me, 1885. Fifth Beport: Bep. Brit. Assoc. 
1884, p. 150. 
pars, von Hagenow, 1851. Bry. maastr. Kr. p. 43, pi. iv. 
fig. 2 {non 3). 
Marsson, 1887. Bry. Biig. : Pal. Abb. vol. iv. p. 39. 
d’Orbigny, 1857. Bry. Cret. p. 966, pi. 776, figs. 9-11. 
Ubaghs, 1888. C.B. Excursion: Bull. Soc. beige Geol. 
vol. i., Mem. p. 233. 
Pergens & Meunier, 1887. Bry, gar. Faxe : Ann, Soc. 
malac. Belg. vol. xxi. p. 227. 
Pergens, 1888. Tuf. Ciply: Bull. Soc. beige Geol. vol. i. 
p. 205. 
Pergens, 1893. Xouv. Bry. Cret. Limb. : ibid, vol, vii., 
Mem. p. 176, pi. x. fig. 2 {non 3 as misprinted in text). 
Ulrich, 1900. In Zittel — Eastman, Textbook Palseont. 
vol. i. p. 265, fig. 427. 
Befrancia michelini, von Hagenow, 1851. Bry. maastr. Kr. p. 42, pi. iv. fig. 5. 
,, ,, Marsson, 1887. Bry. Biig. : Pal, Abb. vol. iv. p. 39. 
,, ,, Yogel, 1892, Ob. Sen. Irnich : Yerb. nat. “Yer. preuss. 
Bbeinl. vol. xlix. p. 91. 
d’Orbigny, 1853. Bry. Cret. p. 758. 
Ubagbs, 1890. Descr. Geol. Pal. Limb, p. 222. 
Pergens & Meunier, 1887. Bry. gar. Faxe: Ann. Soc. 
malac. Belg. vol. xxi. p. 229. 
Hamm, 1881. Bry. mastr. Ob.-Sen.'i., Cycl. p. 27. 
Hennig, 1894. Bry. Sver. Krit. ii., Cycl. : Lunds Univ. 
l.rsskrift, vol. xxx., Acta Pbysiogr. Ko. viii. p. 32. 
Bomopora 
Befrancia 
Radiocarea 
Liehenopora 
Apsendesia 
Biscotuhigera 
3 3 
Liehenopora 
Actinopora 
Apsendesia 
Diagnosis. 
Zoarium small, discoid, with a flat, concave, or pointed base. 
The upper surface hears 8-10 highly raised, tooth-like ridges, 
