BIHANG TILL K. SV. VET.-AKAD- HAXDL. BAND. 8. NVO 9. 13 



inadvertence for Plasinopora as this genus 

 js placed next to Heliulites. 



Pterorhiza Hempr. & EuRENU. 1834. 

 Coralleath. des rotheii Meerus, 88. = 

 Cyarhoph^Jlum. C. raJican«, marginatum, 

 excentricum Goldf. 



Ptychophyilum Edw. H. 1850. Brit. 

 Foss. Cor. Ixix. Sytu Strcptelasma. S. 



Pycnophyllum Dyb. ^= Deusiphylhun, 

 which name was altered as being w^rou^ly 

 formed. S. 



Pyrgia Edw. H. 1851, Pol. terr. pal. 

 159. = Cladochonus. 



Pyritonema Mac Cot 1850. Ann. 

 May. N. H. 2:d Ser., VI, 273. ■ The 

 description is made from )>a singular 

 fragment'), but this ia nothing but a 

 silicified, and consequently somewhat 

 altered Heliolites. 



Quenstedtia Rominger 1876. Gcol. 

 Survey of Michigan III, ii, 71. A bivalve 

 shell from the Jnrassic formation has al- 

 ready been named so by Morris & Ly- 

 CETT and Nicholson changed the name 

 to Romingeria. 



Ehabdopora Euw. H. 1849. Comptes 

 Rend, xxix, p. 262. C. 



RhapbidophyllumLiNDSTR. 1882. Bi- 



hanir Sv, V^et. Ak:s Handl. Bd. 6, N:o 

 18/14. S. 



Ehizophyllum Lixdstk. 1865. Ofvers. 

 Vet. Ak:s l^'orh.. 287. S. D. 



Type: Rh. gotlandicnm. 



Rhizopora De Koninck 1872. Re- 



cherches snr les Anim. fossiles, 117. C. 



Ehodopliyllum Jam. Thomsox 1874. 

 6eol. Magazine, 556. Forms of Clisio- 

 phyllura. 



khombopora Meek 1872. Final 

 Kept. Geol. of Nebraska, 141. Perhaps 



a bryozoan. 



PJiysmotes Fischer von Waldheim 



1832. Bullet. Moscou, 416. Rh. petio- 



laf.us from the silunan limestone of 



Petersburg is possibly as, Fr. Schmidt 



has suggested, a Plasmopora. 



Rhytidophyllum LrxDSTK. 1883. Bi- 



hang. Vet. Akad. Handl. Bd. 7. N:o 4. 



p. 62. S. 



Eoemeria Edw. H. 1851. 



pal., 152. S. D. 



Romingeria NicHorsoN 1879. Tabu- 

 late Corals, 114. = Qaenstedtia. S. 0. 



Sarcimda Lamarck 1816. Anim. 8, 

 vert. II, 222. L. mixed up several ge- 

 nera and included for inst. Syringo- 

 phyllum organum. 



Siphonaxis Dyb. 1873. 

 I, 134. Founded on silicitied and altered 

 fragments of an undeterminable coral. 



Pol. Terr. 



Monogr. 



Sjjihonodefidf'on Mac Coy 1849. A. 

 Mag. N. H. 2:d Sen, JIT, 127. = Lltho- 

 strotion. 



SiphunopkylUa ScouLER 1844 in Mac 

 Cov's Carb. Foss. of Ireland, 187. 

 Zapbrentis. 



Smithia Edw. H. 1851. Pol. terr. 

 pal., 171. The researches of Kusth 

 make it most probable that this genus 



is identical with the older Phiilipsastrpea. 



Sompbopora Lindstr. 1883. Richt- 



hofi:n, China IV. 51. S. 



Sphaerolites Hinde 1875. Qu. Journ. 



Geol. Soc. Ixxxviii. Geol. Mag, 1875, 

 514. T. S. Nicholsoni. S. 



Bphcenopoterium Meek & Worthen 

 1860. Proc. Phil. Soc. Philad., 448. 

 Sekbacu considers it identical with Pa- 

 Ipcacis, 



Spongariura Mac Coy 1855. Brit. 

 Pal. Foss. 42. M'CoY identifies the spe- 

 cies of this genus with Discophyllum 

 Hall and Actinophyllum Phillips, but 

 they are rather opercula of some un- 

 known rugo?e coral. 



Spongophylloides G. Meyer 1881. 

 Scbriften der Physik, Oecon. Gesell- 

 schaft zu Konigsberg. Abt. 1, 109. The 

 name is formed contrary to the rules 

 commonly adopted and 1 have changed 

 it to Actinocystis, S. 



Spongophyllum, Edw. H. 1851. Pol. 

 Terr. Pal., 425. D. 



Stauria Edw. H. 1850. Brit Foss. 

 Cor. Ixiv. S. 



Stomatopora BbonK 1825. Plianzen- 

 thiere, 27. Contains chiefly stolons of 

 creeping bryozoa, but there may be in- 

 troduced some Anloporiie or initial stages 

 of Syringopora, 



Stf^ephodes Mac Coy 1849. A. M. N. 



H. 2:d Ser., Ill, 4. =^ Cyathophyllnra. 



Streptasfrisa Sandberoer 1856. Ver 

 stein. Nassaus, 416. = Phillipsastraea. 



Streptelasma J. Hall 1847, Pal. N. 

 York, I, pi. 4. = Ptychophyilum. 



Strejjtolasma D'Oru. 1850. Prodr. Pal., 

 24. »Ce sont des CyathophylJnm dont 

 les cellules sont en corne, plus profonds 

 et pen lamelleux au centre." 



Streptoplasma J. Hall 1847. Pal. 

 N. York I, 17; this name is changed 

 to Streptelasma in the same volume at 

 the explanation of figures. 



Striatopora Hall 1852. Pal. N. York, 

 II, 156. S. D. 



Sfrombastrtsa Blaixville 1^34. Man. 

 d'ActinoIogie, 376. Contains species o 

 Cyathopbyllum and Ptychophyilum. 



Strombodes SchweiggEr 1819. Beob. 

 tab. VI. This genus is founded on two 



