EXTALOPHOEA. 
255 
<^HAK. — Zoariuni of thick, cylindi'ical branches, -with subqnincimcial apertures 
which are large (var. symefrica) or small (var. ptistulosa). 
Distkib. — Senonian — Maastrichtian : Eoyan. 
Sautonian: Saintes. 
Turonian : Martigues, Bouches du Elione ; Merpins, Charente. 
Aff. — The relations of the varieties symetrica and pustidosa are analogous to 
those of the macropora and mlcropora forms of Spiropora mucropora. 
28. triangularis (d’Orbigny), 1853-4. 
Syx. Bidiastopora triangularis, d’Orbigny, 1853-4. Bry. Cret. p. 805, pi. 755, 
figs. 16-18. 
Entalophora ,, Pergens, 1890. Bevision, p. 363. 
Ohar — Branches triangular in section ; zooccia thin, in'egularly arranged. 
Peristomes crowded and well raised. 
Distrib. — Senonian — Maastrichtian : Royan, Charente-Inferieure. 
29. tubulosa (von Hagenow), 1851. 
Syn. rustulipora tuhulosa, von Hagenow, 1851. Bry. Maastr. Kr. p. 16, pi. i. 
fig- 2. 
,, ,, Pergens, 1888. Age Tuf. Ciply : Bull. Soc. beige 
Geol. vol. i. p. 205. 
Entalophora ,, Staring, 1860. Bod. Xederl. vol. ii. p. 400. 
<Jhar. — Branches stout, irregular. Peristomes highly raised and very irregular. 
Distrib. — Senonian — Maastrichtian : Maastricht ; Ciply. 
30. turbinata (Marsson), 1887. 
Syn. Clavisparsa turbinata, Marsson, 1887. Bry. Riig. : Pal. Abb. vol. iv. p. 21, 
pi. i. fig. 7. 
<’har. — An immature zoarium, 2 mm. high. It may be the base of an Entalophora. 
Distrib. — Senonian — Campanian : Riigen. 
31. varapensis (de Loriol), 1863. 
.Syn. Laterotuhlgera varapensis, de Loriol, 1863. Invert Neoc. Mt. Saleve, 
p. 126, pi. xvi. fig. 1. 
Char. — Zoarium of irregular, anastomosing branches. Zomcia short ; apertures 
crowded in irregular, transverse rows. 
Distrib. — Hauterivian : La Yarappe, near Geneva. 
32. vassiacensis, d’Orbigny, 1853. 
Syn. Entalophora vassiacensis, d’Orbigny, 1853. Bry. Cr^t. p. 782, pi. 753, 
figs. 13-15. 
„ ,, Pergens, 1890. Revision, p. 358. 
