BIOLOGICAL CLASSIFICATION. 1415 



Phyllum MOLLUSCOIDEA. 



Class BRYOZOA. 



Subclass Gymnol^mata. 



Order Ctenostomata. 



Family Rhopalonariid.*: Nickles and Bassler. 

 Rhopalonaria Ulrich. 



Family Vinellid.*; Ulrich and Bassler. 



Allonema Ulrich and Bassler, Heteroneimi Ulrich and Bassler, Vinella Ulrich. 



Family Ascodictyonid^e Ulrich. 



Ascodictyon Nicholson and Etheridge. 



Order Cyclostomata. 

 Suborder Tubuliporina. 



Family DlASTOPORlD/E Busk. 



Berenicea Laxnouroux, Corynotrypa Bassler, Diastoporina Ulrich, Proboscina Audouin, 

 Stomatopora Bronn. 



Family Idmoneid^e Busk. 

 Protocrisina Ulrich. 



Family Entalophorid.-e Reuss. 



Diploclema Ulrich, Mitoclema Ulrich. 



Family Phaceloporid.e Ulrich. 

 Phacelopora Ulrich. 



Suborder Ceramoporidea. 



Family Ceramoporid,e Ulrich. 



Anolotichia Ulrich, Ceramophylla Ulrich, Ceramopora Hall, Ceramoporella Ulrich, 

 Chiloporella Uhich, Coeloclema Ulrich, Crepipora Ulrich, Favositella Etheridge and 

 Foord, Scenellopora Ulrich, Spatiopora Ulrich. 



Family Fistuliporid/e Ulrich. 



Chilotrypa Ulrich, Fistulipora McCoy. Fistuliporella Simpson, Meekopora Ulrich. 



Order Trepostomata. 

 Suborder Amalgamata. 



Family MonticuliporiD/E Nicholson. 



Aspidopora Ulrich, Atactoporella Ulrich, Homotrypa Ulrich, Homotrypella Dlrich, 

 Mesotrypa Ulrich, Monticulipora D'Orbigny, Orbignyella Dlrich and Bassler, 



Peronopora Nicholson, Prasopora Nicholson and Etheridge. 



Family Heterotrypid.-e Ulrich 



Atactopora Uhich, Cyphotrypa Ulrich and Bassler, Dekayella Uhich, Deka; . i.i 

 Edwards and Haime, Heterotrypa Nicholson, Leptotrypa Ulrich, Petigop 

 Ulrich, Stigmatella Ulrich and Bassler. 



Family Constellariid^e Ulrich. 



Constellaria Dana, Dianulites Eichwald, Idiotrypa Ulrich, X ieholsonella Dlrich, 

 Stellipora Hall. 



