268 



INDEX 



resupinata (Schizophoria), 143, 144 

 lata (Schizophoria), 143 

 rotundata (Schizophoria), 143 

 Resupination, 10, 19 

 resupinoides (Schizophoria), 143 

 reticulatus (Porambonites), 102 

 retrorsa (Retrorsirostra), 95 

 Retrorsirostra, 2 1 , 94, 95 

 retrostriata (Heterorthis), 137 

 Reuschella, 39, 137, 139 

 reuschi (Dalmanella), 120 

 reversa Billings (Parastrophinella), 169 

 reversa McCoy (Rhipidomella), 134 

 Rhipidium, 165, 166, 178, 180 

 Rhipidomella, 25, 30, 31, 32, 35, 36, 39, 133 

 circulus, see Mendacella 

 rhynchonelliformis, see Mendacella 

 tenuilineata Foerste, see Mendacella 

 tenuilineata Hall, see Thiemella 

 Rhipidomellidas, 133 

 Rhynchocamara, 189 

 Rhynchonella frenum, see Lycophoria 

 globosa, see Lycophoria 

 sordida, see Cyclocoelia 



? Rhynchonellacea, 189 



rhynchonelliformis McEwan (Platystrophia), 65 



rhynchonelliformis Shaler (Mendacella), 127 



Rhynchotrema, 84 



ribeiro (Porambonites), 102 



rigida (Schizoramma), 88 



rockhousensis (Isorthis), 150 



rockymontana (Plisiomys), 94 



roemeri Hall and Clarke 1893 (Gypidula), 174 



roemeri Hall and Clarke 1893 (Sieberella) (in part), 175 



rogata (Dalmanella), 120, 121 



rogersensis Foerste 1909 (Eridorthis), 91 



rogersensis Foerste 1910 (Vellamo), 114 



romingeri Barrande (Bohemiella), 52, 53 



romingeri Hall and Clarke (Gypidula), 174 



rossicus (Enteletoides), 148 



Rostration, 165 



rotunda (Orthis), 40,* 76 



rotundata Pander (Orthis), 76 



rotundata Walcott (Syntrophina), 156 



rotundiformis (Camerella), 168 



rotundus Kirk (Harpidium), 180 



rotundus Pander (Clitambonites), 113 



rotundus Pander (Hemipronites), 116 



rudis (Nicolella), 77 



ruedemanni (Vellamo), 114 



rugiplicata (Ptychopleurella), 92 



rugosicostatus (Oligomys), 53 



rustica (Dolerorthis), 89 



osiliensis (Dolerorthis), 89 



sadewitzensis (Orthis), 76 



saflFordi Foerste (Rhipidomella), 134 



safFordi Hall and Clarke (Multicostella), 98 



saffordi Walcott (Syntrophioides), 155 



Sahni, M. R., 14 



salme (Nicolella), 77 



salteri (Stricklandia), 187 



samojedicus (Pentamerus), 178 



sandbergi (Otusia), 52 

 Sardeson, F. W., 32, 41, 121, 165 

 Savage, T. E., 183 

 Schellwien, E., 148, 149 

 Schizophorella, 17, 58, 62 



arisaigensis, see Mendacella 

 Schizophoria, 6, 17, 26, 30, 31, 35, 37, 38, 40, 40,* 41, 

 88, 141, 143, 146, 



mesoloba, see Aulacophoria 

 Schizophoriidje, 22, 34, 38, 139 

 Schizophoriinse, 140 

 Schizoramma, 26, 32,* 35, 74, 87 

 schmidti LebedefF (Pentamerus), 178 

 schmidti Noetling (Porambonites), 102, 103 

 schmidti Pahlen (Clitambonites), 113 

 schmidti Wysogorsky (Orthis), 76 

 schuchertensis (Orthotichia), 144 

 scofieldi (Camerella), 168 

 scoparium (Conchidium), 181 

 scotica (? Plectorthis), 58, 59 

 scovillei (Austinella), 99, 100 

 sectistriata (Cyclocoelia), 64 

 sedaliensis (Schizophoria), 143 

 sedgwicki (Fascicostella), 130 

 semele (Rhipidomella), 134 

 semicircularis Eichwald (Cyrtonotella), 77 

 semicircularis Pander (Orthis), 76 

 semiconvexum (Pomatotrema), 110 

 semiglobata (Reuschella), 139 

 semiovalis (Dinorthis), 94 

 senecta (Schizophoria), 143, 144, 150 

 senex (Platystrophia), 65 

 Septa, 10, 29, 39, 164, 166 

 Serial sectioning, 162 

 Shaft, 10, 35 



shallochiensis (Vellamo), 114 

 shelbyensis (Wimanella), 50 

 Sieberella, 163, 165, 171, 174, 175 

 sieberi (Sieberella), 175 



rectifrons (Sieberella), 175 

 simon (? Huenella), 160 

 simplex Foerste (Gypidula), 174 

 simplex Walcott (Wimanella), 49, 50, 51 

 sinuata (Hebertella), 59, 60 

 sinuatis (Plectorthis), 58 

 sinuatus (Porambonites), 102 

 Skenidiidse, 39, 44, 56, 71 

 Skenidioides, 17, 38, 71, 73, 112 

 Skenidium, 71, 73, 112 



anthonense, see Skenidioides 



craigensis, see Skenidioides 



fallax, see Mystrophora 



grayiae, see Vellamo 



greenoughi, see Skenidioides 



merope, see Skenidioides 



nodocostata, see Ptychopleurella 



polonicum, see Mystrophora 



pyramidalis, see Skenidioides 



shallochiensis, see Vellamo 



Solaris, see Pionorthis 



solitaria, see Levenea 

 Smeathenella, 39, 137, 139 



