Clussificat i<m."| 



BRYOZOA. 



107 



Family HETEROTRYPIDJE, Ulrich. 

 Genera: Heterotrypa NICHOLSON, Dekayia EDWARDS and HAIME, Petigopora U., DekayellaU. 



Family CALLOPORID^E, Ulrich. 

 Genera: Callopora HALL, Calloporella U., ? Aspidopora U. 



Family TRESIATOPORIDJE, Ulrich. 



Genera : Trematopora HALL, Nicholsoitella U., Constellaria DANA, Stellipora HALL, Idiotrypa U. 



Family BATOSTOMELLIDJS, Ulrich. 



Genera: Batostomella U., Stenopora LONSDALE, Anisotrypa U., Bythopora MILLER and DYER, Cal- 

 lolrypa HALL, Leioclema U. 



Family AMPLEXOPORIDJE, Ulrich. 



Genera: Amplexopora U., Monotrypella U., Petalotrypa U., Atactopora U., Leptotrypa U., PDisco- 

 trypa U. 



Family DIPLOTRYPIDJS, Ulrich. 



Genera : Diplotrypa NICHOLSON, Monotrypa NICHOLSON, Batostoma U., f Hemiphragma U. 



Family CERAMOPOKID^:, Ulrich. 



Genera: Ceramopora HALL, Cerainoporelln U., Crepipora U., Diamesopora HALL, Chiloporella U., 

 Ceramophylla U., Anolotichia U., Spatiopora U. 



Family FISTULIPORID^E, Ulrich. 



Genera : Fistulipora McCoy, Eridopora U., Chilotrypa U., Meekopora U., Strotopora U., Lichenotrypa 

 U., Buskopora U., Selenopora HALL, Pinacotrypa IT. 



Family BOTRYLLOPORIDJE, Miller. 

 Genus : Botryllopora NICHOLSON. 



Suborder CYCLOSTOMATA, Busk. 



Zooecia very simple, tubular, with a plain, inoperculate, circular orifice; wall 

 thin, minutely porous. Marsupia and appendicular organs wanting. 



Family TUBULIPORID^E, Busk. 



Genera: Stomatopora BUONN, Proboscina AUDOUIN, Berenicea LAMOUUOUX, Diastoporina U., 

 ? Hedrella HALL, ? Hernodia HALL, f Reptaria KOLLE. 



Family FRONDIPOIUD.E, Reuxs. 

 Genus : Seenellopora ULRICH. 



Family ENTALOPiiOKiDyR, Reuss. 

 Genera : Clonopnra HALL, Mitoclema U., Diplocleifta U., Protocrisina U., f Cystopora HALL. 



'Suborder CTENOSTOMATA, Busk. 



Zooecia usually isolated and developed by budding from the internodes of a distinct 

 tubular stolon or stem. Orifice terminal, closed by an operculum of setae. Zoarium 

 horny or membranaceous. Marsupia wanting. 



Family ASCODICTYONIDJ-:, Ulrich. 

 Genera : Ascodictyon NICHOLSON and ETHUIDOE, Rhopalonaria U. L Vinella U. 



