BIOLOGICAL CLASSIFICATION. 1415 



Phyllum MOLLUSCOIDEA. 



Class BRYOZOA. 

 Subclass GYMNOL^MATA. 



Order CTENOSTOMATA. 



Family RHOPALONARIID^E Nickles and Bassler. 

 Rhopalonaria Ulrich. 



Family VINELLID^ Ulrich and Bassler. 

 Allonema Ulrich and Bassler, Heteronema Ulrich and Bassler, Vinella Ulrich. 



Family ASCODICTYONID^E Ulrich. 

 Ascodictyon Nicholson and Etheridge. 



Order CYCLOSTOMATA. 

 Suborder TUBULIPORINA. 



Family DIASTOPORHXE Busk. 



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

 * Stomatopora Bronn. 



Family IDMONEID^; Busk. 

 Protocrisina Ulrich. 



Family ENTALOPHORID^E Reuss. 



Diploclema Ulrich, Mitoclema .Ulrich. 



Family PHACELOPORID^E Ulrich. 

 Phacelopora Ulrich. 



Suborder CERAMOPORIDEA. 



Family CERAMOPORID^: Ulrich. 



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

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

 Foord, Seen ellopora Ulrich, Spatiopora Ulrich. 



Family FISTULIPORID^E UHch. 

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



Order TREPOSTOMATA. 

 Suborder AMALGAMATA. 



Family MONTICULIPORID^E Nicholson. 



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

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

 Peronopora Nicholson, Prasopora Nicholson and Etheridge. 



Family HETEROTRYPID^E Ulrich 



Atactopora Ulrich, Cyphotrypa Ulrich and Bassler, Dekayella Ulrich, Dekayia 

 Edwards and Haime, Heterotrypa Nicholson, Leptotrypa Ulrich, Petigopora 

 Ulrich, Stigmatella Ulrich and Bassler. 



Family CONSTELLARIID/E Ulrich. 



Constellaria Dana, Dianulites Eichwald, Idiotrypa Ulrich, Nicholsonella Ulrich, 

 Stellipora Hall, 



