556 Studcr: Bericht über die Leistuugen 



Zooids on the ventral and lateral sides of the rachis. 

 Family 2. Petmatulidae. 

 Genera. Pennatiila Lam. 

 Sciophyllum Verr. 

 Ptilosarcus Gray. 

 Halisceptrum Herlcl. 

 Pinnules small. 



Subsection II. Virgularieae. 



Pinnules without a calcareous plate. 

 P'amily 1. Virgularidae. 

 Genera. Virgularia Lam. 

 Scytaliiim Herlcl. 

 Pavonaria Köll. 

 Pinnules with a calcareous plate. 

 Family 2. StylatuUdae. 

 Genera. Stylatula Verr. 



Duhenia Kor. and. Dan. 

 Äcanthoptilum Köll. 



B. B. Rachis without pinnules. 

 Section II. Spicatae. 



a. Polyps on both sides of the rachis in distiuct rows. 



Subsection I. Funiculineae. 



a. a. Polyps with cells. 

 «. No ventral zooids. 



Family 1. FunicuVmidae. 

 Genera. Funiculina Lam. 

 Halipteris Köll. 

 ß. With ventral zooids. 

 Family 2. Stachyptilidae. 

 Genera. Stachyptilum Köll. 



b. b. Polyps without cells. 



Family 3. Anthoptilidae. 

 Genera Antlioptilimi Köll. 



b. Polyps on both sides of the rachis in a Single series 

 or in indistinct rows. 



Subsection II. Jimciformes. 

 a. a. Polyps without cells. 

 «. Polyps large. 



««. Rachis elongated, cylindrical. 

 Family 1. Kopliöbelemnonidae. 

 Genera. Kophohelemnon Asb. 

 Sderohelemnon Köll. 

 Bathyptilum Köll. 

 ' 83. Rachis short. 



