BERENICE A. 
77 
2. Berenicea papyracea (d’Orbigny), 1851. 
Synonymy. 
Liastopora papyracea, d’Orbigny, 1851. Bry. Cret. pi. 641, figs. 3, 4. 
yxon ,, ,, d’Orbigny, 1853-4. Ibid. p. 830, pi. 758, figs. 14-16. 
,, ,, Pergens, 1890. Eevision, p. 335, pi. xi. fig. 10. 
Berenicea ,, d’Orbigny, 1854. Bry. Cret. p. 868. 
,, ,, Peron, 1888. Craie Anglo-Par. : Bull. Soc. Sci. nat. 
Yonne, vol. xli. p. 225. 
^Berenicea comata, von Reuss, 1874. Bry. ob. Plan.: Palaeontogr. vol. xx. 
pt. 2, p. 132, pi. XXV. fig. 4. 
Diagnosis. 
Zoarium irregular, flabelliform, thin. 
Zooecia very long and siniions ; sometimes slightly expanded at 
the distal end. Apertures irregularly distributed and sparsely 
scattered. 
Gonoecium piriform ; four times as wide as the zooecia. 
Dimensions. 
Distance of apertures in 
same longitudinal series 
Diameter of zooecia ... 
Diameter of apertures 
Fide Pergens. 
•5-’6 mm. 
•1 „ 
•03 „ 
B.M., D. 3884. 
1-3-2’Omm. 
•25 
•13 
Distribution. 
England : 
Middle Chalk : Chatham. 
Foreign : 
Senonian — "M aastrichtian : Meudon. 
Campanian : Reims, in zone of Micr aster fas tig iatus. 
Santonian : Sudmerberg, Brunswick. 
Turonian : Strehlen, Saxony, in Upper Planer. 
Figures. 
PI. IV. Fig. la, the zoarium, nat. size. Fig. H, part of the 
same, X 10 dia. Middle Chalk : Chatham. Gamble Coll. D. 3884. 
Fig. 2, p. 78. Part of a zoarium with gonoecium, X 10 dia. 
Ober Kreide : Sudmerberg. D. 5154. 
Affinities. 
Berenicea papyracea (Orb.) is allied to B. gracilis, from which 
it differs by the greater length and more sinuous course of the 
zooecia. The dimensions of d’Orbigny’ s type of B. papyracea 
given by M. Pergens are practically identical with those of 
Milne Edwards’ figure of B. gracilis, which are quoted in the 
table of dimensions on p. 73; while the specimens from Chatham 
