206 AMERICAN FOSSIL BRYOZOA. [bull. 173. 



Choetetes pulchellus Nicholson (not Milne-Edwarcls and Hainie). See 



Callopora andrewsi (Nicholson). 

 Chgetetes quadrangularis Nicholson. See Leptotrypa ? quadrang-ularis 



(Nicholson). 

 ChfBtetes quadratus Rominger. See Monotrypella quadrata (Rominger). 

 Chfetetes raniosus Milne-Edwards and Haime. See Callopora ramosa 



(D'Orbigny). 

 Cha;tetes rhombiciis Nicholson. See Monotrypella quadrata (Roniin- 

 ger). 



Chsetetes ?? rugosus Hall. 



1847. Chaetetes rugosus. Hall., Pal. New York, I, p. 67, pi. xxiv, 2a, h. 

 Trenton: Middleville, Herkimer County, New York. 



Obs. The generic position can not be determined from the description 

 and figures given. 



Chsetetes rugosus Milne-Edwards and Haime. See Callopora rugosa 



(Milne-Edwards and Haime). 

 Chsetetes sigillarioides Nicholson. See Callopora onealli-sigillarioides 



(Nicholson). 

 ChiBtetes spherica Hall. See Monotrypa spherica (Hall). 

 Chtetetes subglobosa Ulrich. See Monotrypa turbinata (James). 

 Chifitetes subpulchellus Nicholson. See Heterotrypa subpulchella 



(Nicholson). 

 Chwtetes subrotundus James. Not a bryozoan. . 



1878. Chaetetes subrotundus. James, Paleontologist, No. 2, p. 11. 

 Cha?tetes tabulatus Hall. See Monotrypa tabulata (Hall). 

 Chjetetes (Ptychonema) tabulatus Hall and Simpson. See Monotrypa 



tabulata (Hall). 



Chaetetes ? ? tenuis Hall. 



1876. Ch;vtetes tenuis. Hall, Illus. Devonian Foss., pi. xxxvii, 6-10. (Not 



described.) 

 1892. Monotrypa tennis (in error for tenuis). Rominger, American Geologist, 

 X, p. 60, pi. iii, 1-3. 

 Upper Helderberg: Genesee County, New York (Hall). 

 Hamilton: Falls of the Ohio (Rominger). 



Chgetetes tuberculatus Milne-Edwards and Haime. See Spatiopora 



tuberculata (Milne-Edwards and Haime). 

 Chaetetes tuberculatus Nicholson (not Milne-Edwards and Haime). 



See Spatiopora corticans (Nicholson). 

 Chffitetes turbinatum James. See Monotrypa turbinata (James). 

 Chffitetes undulatus Nicholson. See Monotrj'^pa undulata (Nicholson). 

 Chffitetes varians James. See Batostoma varians («Tames). 

 Chffitetes venustus Ulrich. See Crepipora venusta (Ulrich). 



CHAINODICTYON Foerste. Genotype: Chainodictyon laxum Foerste. 



1887. Chainodictyon. Foerste, Bull. Sci. Lab. Denison Univ., II, p. 81. 



1889. Chainodictyon. Miller, North American Geol. Pal., p. 297.. 



1890. Chainodictyon. Ulrich, Geol. Surv. Illinois, VIII, pp. 399, 640. 



