FILISPAESA. 
69 
Char.— Zoarium of anastomosing branches, which are flattened and rarely 
cylindrical. Apertures large ; very irregular in distribution. Sometimes in 
transverse series. Eeverse face slightly convex, furrowed. 
Distrib.— Turonian ; Timber Creek and Mullica Hill, New Jersey. 
2 . crassa, d’Orbigny, 1853. 
Syx. Filisparsa crassa, d’Orbigny, 1853-4. Bry. Cret. p. 818, pi. 760, 
flgs. 14-17. 
,, Pergens, 1890. Revision, p. 351. 
Fhormonotos crassus, Marsson, 1887. Bry. Riig. : Pal. Abb. vol. iv. p. 34. 
Char.— Zoarium thick; punctulate on obverse side, and ornamented on the 
reverse by longitudinal or lozenge-shaped lines. Apertures subquincuncial, in 
somewhat irregular lines. 
Distrib. — Senonian : Riigen. 
Rhodanian ; Yassy, Haute-Marne. 
3. neocomiensis, d’Orbigny, 1853. 
Syn. Filisparsa neocomiensis, d’Orbigny, 1853-4. Bry. Cret. p. 817, pi. 760, 
figs. 10-13. 
>> Pergens & Meunier, 1886. Bry. gar. Faxe : 
Ann. Soc. mal. Belg. vol. xxi. p. 219. 
>> >, Marsson, 1887. Bry. Riig. : Pal. Abh. vol. iv. 
p. 35. 
>> ,, Pergens, 1890. Revision, p. 351. 
Char. — Zoarium of narrow bands. A considerable portion of the distal ends 
of the zooecia free. Apertures distant. Peristomes long and free. 
Distrib. — Danian : Faxoe. 
Senonian : Riigen. 
Neocoraian : Baudrecourt, Haut-Marne. 
4. ? ornata, von Reuss, 1874. 
Syn. Filisparsa ornata, von Reuss, 1874. Bry. ob. Plan. : Palseontogr. vol. xx. 
pt. 2, p. 134, pi. xxiv. fig. 19. 
Char. — Surface ribbed, apertures irregular (von Reuss, p. 134). Reverse face 
concave ; but without more knowledge of the reverse side the species cannot be 
generically placed. 
Distrib.— Turonian: Strehlen and Weinbohla, Saxony, in Upper Planer. 
