SYNONYMIC LIST OF SPECIES. 65 
Ptilodictya crassa Nicholson and Hinde. See Pachydictya crassa. 
Ptilodictya ensiformis Ulrich. See Phaenopora ensiformis. 
Ptiloporella nervata (Nicholson). 
Retepora asperato-striata Hall. See Phylloporina asperato-striata. 
Retepora diffusa Hall. See Pseudohornera diffusa. 
Rhinopora curvata Ringueberg. 
Rhinopora tuberculosa Hall. See Fistulipora tuberculosa. 
Rhombotrypa spinulifera n. sp. 
Rhopalonaria attenuata Ulrich and Bassler. 
Sagenella elegans Hall. See Berenicea consimilis. 
Sagenella membranacea Hall. See Berenicea consimilis. 
Semieosoinium tenuiceps (Hall). 
Spatiopora maculata (Hall). 
Stictopora crassa Hall. See Pachydictya crassa. 
Stictopora dichotoma Whitfield and Hovey. Sec Thamniscus dichotomus. 
Stictopora punctipora Hall. Sec Stictotrypa punctipora. 
Stictopora scitula Hall and Simpson. See Pachydictya crassa. 
Stictotrypa punctipora (Hall). 
Stigmatella globata n. sp. 
Stomatopora dissimilis Vine. 
Stomatopora dissimilis elongata Vine. See Stomatopora elongata. 
Stomatopora elongata (Vine). 
Stomatopora parva Ringueberg. See Stomatopora elongata. 
Stomatopora recta Ringueberg. See Stomatopora dissimilis. 
Subretepora asperato-striata Miller. See Phylloporina asperato-striata. 
Subretepora dichotoma Miller. See Thamniscus dichotomus. 
Tseniodictya schucherti n. sp. 
Thamniscus dichotomus (Hall). 
Thamniscus? niagarensis Hall. See Pseudohornera niagarensis. 
Trematopora aspera Hall. See Acanthoclema asperum. 
Trematopora coalescens Hall. See Chilotrypa ostiolata. 
Trematopora granulifera Hall. See Batostomella granulifera. 
Trematopora ostiolata Hall. See Chilotrypa ostiolata. 
Trematopora minuta (Hall). See Nematopora minuta. 
Trematopora?? punctata Hall. Sec Idiotrypa punctata. 
Trematopora solida Hall. See Eridotrypa solida. 
Trematopora sparsa Hall. See Diploclema sparsum. 
Trematopora spiculata Miller. 
Trematopora spinulosa Hall (1852). See Bythopora spinulosa. 
Trematopora spinulosa Hall (1876). See Trematopora spiculata. 
Trematopora striata Hall. See Eridotrypa striata. 
Trematopora tuberculosa Hall. 
Trematopora whitfieldi Hall. 
Vinella'? multiradiata Ulrich and Bassler. 
Vinella radiciformis (Vine). 
