REVISION OF PALEOZOIC STELLEKOIDEA. 21 



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Helianthaster gyalum Clarke (paTtyLepidasterella babcocki 160 



H. , new species Clarke Lepidasterella babcocki 160 



H. rhenanus Roemer 159 



H. roemeri Clarke PaZasoso Zoster roemeri 211 



Hisingeraster Stiirtz =Lindstromaster 148 



H. antiqua Sturtz=Lindstrdmaster antiquus 149 



Hudsonaster Stiirtz 53 



H. batheri, new species 65 



H. incomptus (Meek) 61 



H. matutinus (Hall) 57 



E. milleri, new species 60 



H. narrawayi (Hudson) 59 



H. rugosus (Billings) 64 



Jaekelaster Stiirtz 192 



/. petaliformis Stiirtz 192 



Lapworthura Gregory 250 



L. cylindrica Parks= Tseniaster cylindricus 220 



L. miltoni (Salter) 251 



L. sollasi Spencer 251 



L. (?)sp 251 



Lepidaster Forbes 158 



L. grayi Forbes 158 



Lepidasterella, new genus 160 



L. babcocki, new species 160 



Lindstromaster Gregory 148 



L. antiquus (Hisinger) 149 



Loriolaster Stiirtz 201 



L. mirabilis Stiirtz 201 



Medusaster Stiirtz 212 



M. rhenanus Stiirtz 212 



Mesopaleeaster, new genus 74 



M. ( ?} acuminatus (Simonovitsch) 93 



M. (?) antiquus (Troost) 86 



M. bellulus (Billings) 91 



M. caractaci (Gregory) 92 



M. ( ?) cataractensis, new species 89 



M. (?) clarki (Clarke and Swartz) 94 



M . ( ?) dubius (Miller and Dyer) 85 



M.finei (Ulrich) 81 



M. granti (Spencer) 89 



M. intermedius, new species 79 



M. ( ?) lanceolatus, new species 82 



M. (?) parviusculus (Billings) 87 



M. proavitus, new species 83 



M. sha/eri (Hall) ; 77 



M. ( ?) wilberanus (Meek and Worthen) 84 



Miomaster Schondorf 96 



M. drevermanni Schondorf 96 



Miospondylus Gregory 263 



M. rhenanus (Stiirtz) 263 



Monaster Etheridge 170 



Monaster Gregory= Australaster 72 



M. darkei (De Koninck) 172 



