CATALOGUE OF TKILOBITES. 257 



BROXTlDiE. 



Bronteiis Goldfuss, 1843. Beitrage Petrefact., Nova Acta Physico-Med., 

 vol. 19, p. 360. Type, Brontes flabellifer Goldf. 



Cambrian, Sihiriau. Devonian. 



Dalmanitid^. 

 Phacopri Eiumrich, 1839. De Trilob., etc., p. 18. Type, Phacops lati/rons 



Bronn. Cambrian. Silurian. Devonian. 



Dalmanites Emnirich, 1844. Zur Nat. Trilobiten, etc., p. 15. Barrande's 



Syst. Sil. Bohfcme, vol. snppl., p. 27. Type, Dalmanites caudaia 



Briinn. Cambrian. Silurian. 



Coronura Hall, 1888. Pal. New. York, vol. 7, p. xxxii. Type, Coronura 



aspectens Con. Devonian. 



Crypha^ua Green, 1837. Am. Jour. Sci., 1st series, vol. 32, p. 343. Type, 



Cryphfeus boothi Green. Devonian. 



Chasmops McCoy, 1849. Annals Nat. Hist., 2d series, vol. 4; also Contrib. 



to Pala)ont., p. 143. Type, Calymene odini Eichw. Cambrian. 



CERAURIDi*:. 



Ceraurus Green, 1832 (Cheirurus Beyrich, 1845). Mon. Trilobites N.A., 



p. 83. Type, Ceraurus pleurexunihemus Green. 



Cambrian. Silurian. Devonian. 

 Sphaerexochus Beyi'ich, 1845. Ueber einige biJhm. Trilobiten, p. 19. Type, 



Sphcerexochus mirus Beyr. Cambrian. 



Areia Barrande, 1872. Syst. Sil. Bohfcme, vol. 1, suppl., p. 96. Type, 



Areia bohemica Barr. Cambrian. 



Deiphon Barrande, 1852. Syst. Sil. Boht-me, vol. 1, p. 814. Type, Deiphon 



forbesi Barr. Silurian. 



Placoparia Corda, 1847. Prodr., p. 128. Type, Placoparia zippl Boeck. 



Cambrian. 

 Staurocephalus Barrande, 1852. Syst. Sil. Bohftme, vol. 1, p. 810. Type, 



Staurocephalus murchisoni Barr. Cambrian. Silurian. 



Onycopyge Woodward, 1880. Geol. Mag., decade 2, vol. 7, p. 97. Type, 



Onycopyge liveraidgei H. W. Cambrian, 



AMPHIONIDiE, 



Amphion Pander, 1850. Beitrage Geog. Russischen Reiches, p. 439. 



Type, Amphion Jischeri Eichw. Cambrian. 



Cromus Barrande, 1852, Syst, Sil, Boht'me, vol, 1, p. 821. Type, Cromus 



intercostatus Barr. Silurian, 



ExCRINUBIDiE. 



Encrinunis Emmrich, 1844 (Cryptonymus Eichwald). Zur Nat. Trilobiten, 



p. 16, Type, l^rilobus punctatus^TiXrxu. Cambrian. Silurian. 



Cybele. Loven, 1845, Svenska Akad, Forhandl., 1845, p. 110, Type, 



Calymene bellatula Dalm. Cambrian. 



Dindymene Corda, 1847. Prodr., p. 119. Type, Dindymene frederico- 



augusti Cord. Cambrian, 



17 



