12 



LINUSTROM. 1^DEX TO GENERA OF PALEOZOIC COUALS. 



Zool. spec. 

 Resembles 



and aggregate masses instead of being 

 simple. 



FolcEopora Mac Coy 1849. A. Ma^. 

 N. H. 2:cl Ser., ITT, 129- Contams spe- 

 cies of Plasmopora and Propora. 



PaliEOsmilia M. Edw. &i Hahie 1848. 

 Ann. Sc. Nat. 8:e Ser. t. X. 261. ^^ 

 CyathopLyllum. 



Palaeotrociiis Emaions 1856. Ameri- 

 can journal of Science and Arts, 389. 

 No coral, only a peculiar concretion. 



Palastnea Mac Coy 1855. Brit. Pal. 

 Fossils, 111. Seems to be a Cyatho- 

 [jhyllnm. 



Patinula Eichwalu 1829. 

 I, 186. From the alluvium. 

 a worn Cyathopliyllum. 



Pelliculites. Baruandk 1868. Accor- 

 ding to BxGSBY Thesaurus siluricus, 195. 



Pentaphyllum De Koninck 1872. Ke- 



cherclies sur les anim., 58. Founded on 

 t"\vo specimens, each forming a species 

 of its own. Five strongly developed 

 septa should be characteristic, but in the 

 second species there are onlj four. C. 



Peribolites Fischeu 1813. Zoo- 

 gnosir. I, 382. Only a name without 

 any description or reference. 



PeripcEdium Hkmp. ^cEhiikneergISoI. 

 Corallenthiere d. rothen Meeres, 84. A 

 form of Cyuthophylluni. C. 



Petalaxis Edw. H. 1850. Brit. Foss. 

 Cor. Isxi, where the name is Nemato- 

 ])hylluni, further on, at page 204, changed 

 as above. Hardly to be distinguished 

 from Lithostrotion. 



Fetraia Munstek 1839. Beitr. zur 



Petrefakteukunde T, 42. KuNTH has given 

 a detailed description of this genus and 

 shown that there are real grounds for 

 its maintenance. It may in some parts 

 include Dybowski's Cenophyllum. D. 

 Phillipsastraea B'Orb. 1849. Note 



sur des polyp, fossiles, 12. D. C 

 Smithia is synonymous to this. 

 Pholidophyllum LrNDSTR. 1870. 6f- 



vers. Vet. Akad. Forh., 925. — S. 

 Synonyms are: Acanthocyclus, Acan- 



thodes, Tryplasma. 



Phryganophyllam De Kon. 1872. Ee- 



cherches sur les animaux foss., 62, in 

 the vicinity of Amplexus. C. 



Pinacopora NiCHOLS. & Ether, jr 

 1878. Sii. Foss of Girvan, 52. =? 

 Plasmopora. 



PUtsmophyllum Dyb. 1873- Monogr. 

 I, 84. ^= Cystiphyllum, 



Plasmopora Edw. H. 1849. Comptes 

 Rend. XXIX, 262. S. D. 



PlatyphyilumLiNDSTR. 1883inRicHT- 

 HOFENS China IV, 68. S, 



Pleurodlctyvm GoLDE. 1826—33. Pe- 



tref. Germ. 113. Casts of Favosites 

 and Michelinia. 



Polycoelia Kijsg 1849. Ann. Mag. 

 N. H. 2:d Ser., vol. Ill, 388. Very im- 

 perfectly known. King describes only 

 a single species P. donatiana. P. 



Polydilasma Hall 1852. Pal. N. Y. 

 IIj 112. Founded on imperfect speci- 

 mens, considered by Miller and later 

 authors as identical with Zaphrentis. 



Polyorophe Lindstrom 1882. Ofvers. 

 Vet. Ak:s Forhandl. N:o 3, p. 16, 20. 

 Deriv. nokvi many, OQoqri tabulae. — 

 Composite, epitheca quite smooth wi- 

 thout the lea.st traces of imy longitudinal 

 wrinkles; calices, obovate or elliptic in 

 outline, emitting frequent large brond 

 hooks laterally, which connect adjoining 

 polyparies, septa numerous, narrow lines 

 of low blunt spines, tabulae large, di- 

 stantiated, extending through the whole 

 polypary, without interruption and nearly 

 horizontal. T, P. glabra n. S. 



1858. In- 

 Cvatha- 



PolypJiylhirn Fkomentel 

 trod, polyp, fossiles, 308. 

 phyllum. 



Polysiomus KoxiG 1824. icoues pi. 

 XIII, f. 153. = Syringopora. 



Porltes Lamk. 1816. Anim. s. vert. 

 II, 267. Lonsdale placed in this genus 

 species of Heliolites and Plasmopora. 



Porpifes Schloth. 1820. Petrefakten- 

 kunde 349. Partly identical with Phlaeo- 

 cyclns. 



Prasopora Nichols. & Ethehidge 

 1877. A. M. N. H. 4 Ser.. XX. 388. 

 Perhaps a bryozoan. S- 



Prisciturben Kunxh 1870. Zeit- 

 schrift deutsch. Geol. Gesellsch., XX, 28. 

 Founded on a rugose coral of undeter- 

 mined genus, enclosed in a mass of 



Coenostroma. 



Propora Edw. H. 1849. Comptes 

 Reudus XXIX, 262. = Plasmopora. 



Protaraea Edw. H. 1851. Polyp. Foss. 

 146. Syn. Diplastraea Eichavald. S. 



Prot'ocyathus FoRO 1878. Sillim. 

 Journ. 124, Nearly related to Archieo- 



cyathellus. 

 ' Protocyathus J. Thomson ISSO. Proc. 



Phil. Soc. Glasgow. XII, 244. _ Ought 



to have a new generic name, if really 



Lund 



a new genus. 



Protolyellia Torell 1869. 

 Univers. Arsskrift, 10. Aa Nathohst has 

 demonstrated this is no coral, only a cast 

 of the interior of some Cambrian medusa. 



Psammopora Reay Greene 1861. 

 Manual Coelent., 238, probably only by 



