SPAESICATEA. 
383 
DOUBTFUL AXD UXEEPEESEXTED SPECIES. 
1. ?gemmata (von Hagenow), 1839. 
Syn. Ceriopora gemmata, von Ilagenow, 1839. ]\Iou. Eug. : X. Jalirb. 1839, 
p. 283. 
Fiistulipora ,, von Ilageuow, 1850. In Geinitz, Quaclersandst. p. 236. 
,, ,, Kade, 1852. Los. Verst. Schanzenb. p. 31. 
Char. — Tbin stems. Apertures arranged “ in a zigzag upwards and downwards.” 
Walls with numerous slender, lenticular depressions. 
Distrib. — Senonian — Campanian : Eligen. 
2. prisca (Gabb & Horn), 1862. 
•Syx. Cavea prisca, Gabb & Horn, 1862. Polyz. Sec. X. Anier. : Journ. Acad. 
Xat. Sci. Pbil. ser. 2, vol. v. p. 175, pi. xxi. fig. 67. 
Char. — Zoarium of regular, dichotomous brancbes. Apertures oval. Macubu 
pits three pairs to each zococia. Eibs flexuous. 
Distrib. — Cretaceous : Fort Belknap, Texas. 
Aff. — A llied to F. costata (Orb.), but Avitb only three pairs of macuhn. 
3. striato -punctata (von Hagenow), 1839. 
Syn. Ceriopora striato-pimctata, von Ilagenow, 1839. Mon. Eiig. : X. Jabrb. 
1839, p. 283. 
Escharites ,, Ebmer, 1840. Verst, nordd. Kr. p. 17. 
Canalipora ,, von Hagenow, 1850. In Geinitz, Quadersandst. 
p. 242. 
,, ,, Kade, 1852. Los. Verst. Schanzenb. p. 32. 
,, ,, Schliiter, 1870. Geogn. Pal. S. SeWeden : 
X. Jabrb. 1870, p. 940. 
■Char. — Probably closely allied to F. costata, but Avith laterally compressed 
branches. 
Distrib. — Senonian — Campanian : Eiigen ; S. Sweden. 
SPARSICAVEA, d’Orbigny, 1854. 
[Bry. Cret. p. 948.] 
Synonyms. 
Entalopliora, pars, d’Orbigny, 1850; Bucaille, 1890, etc. 
Ceriopora, pars, d’Orbigny, 1850. 
Heteropora, pars, von Hagenow, 1851 ; Pergens, 1890, etc. 
Clausa, pars, d’Orbigny, 1853-4. 
Diagnosis. 
Pctaloporidao with irregularly distributed inaculae. The external 
ribs, when present, are usually radially arranged. The lower 
