.SUB-CI.A-- II 



1 1 1:.\ ACORALLA APOROSA ASTRAEIDAE 



87 



with 

 poly- 

 imperfect 

 to Cre- 



Fn>m. Like tin- pivrrdinj, l.nt with s.-v.-ral 

 all the cycles excepting the 

 last. Tertiary :nnl 



/.<ii.<friirn, ]]. and H. 

 II"'). Corallites prismatic 

 closely crowded, and 

 fused walls. Calices 

 gonal ; columella 

 or absent. Trias 

 taceous. 



Latimacandra, d'Orb. (Fig. 

 146). Like the preceding, 

 hut with the calices situated 

 in short furrows. Trias to 

 Cretaceous. 



From. Lias. 

 From. Upper 



Jurassic. Leptastraea, Solen- 

 astraea, Prionastraea, E. and H., 

 etc. Tertiary and Recent. 



pali in front of 



Fio. 145. 



laastnua hel'uinthcdile*, Goldf. 

 s|.. < 'oral -Rag; Nattheiin. 

 Natural size. 



^[ass^ve coralla multiplying 

 ssion. 



Vm. 144. 



Kin. 140. 



Lutlmaeandra seriata, 

 Ueck. Coral-Kax: Nati- 

 lieiin. Natural size 

 (after Becker). 



Oken (Fig. 147). 



Corallum massive ; Calices Vienna, a, Corallum, natural 



oval or distorted, and united 



by confluent costal septa ; columella spongy. Jurassic to Recent. 



Goniastraea, E. and H. Corallites prismatic, calices polygonal. Septa well 



Pia 147. 



"i-il 



From. Coral-Rag; Natt- 

 lieiin. Natural size. 



Fio. 148. 



Stokem, E. and H. 

 ; Sti-eple Ashton, England. 

 Natural six.-. 



FIG. 140. 



TkeeotmUia 



CJoMf. sp. Coral-Raw ; Natt- 

 IMMIII. Natural si/f. 



developed ; columella spongy ; pali in front of all cycles excepting the last. 

 Cretaceous to Recent. 



?/. Branching coralla multiplying by fission. 



Cdlamophyllia, Blainv. (Rhabdophyttia, E. and H. ; LUJwdendron, p. p. Mich.), 

 (Fig. 148). Colony fasciculate or bushy; corallites very long, cylindrical. 



