SYNONYMIC REFERENCES. 



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Obolus 

 Obolus 

 187]. 

 Obolus 

 Obolus 

 Obolus 

 Obolus 

 Obolus 

 Obolus 

 Obolus 

 Obolus 

 Obolus 

 Obolus 

 Obolus 

 Obolus 

 Obolus 

 Obolus 

 Obolus 

 Obolus 



Present reference. 

 Schmidtia) acuminatus humeratus Mickwitz [1896, pp. 184-186] . . . Obolus (Schmidtia) acuminatus. 

 Scbmidtia) acuminatus subtriangularis Mickwitz [1896, pp. 186- 



Do. 



Schmidtia) celatus Mickwitz [1896, pp. 159-163] Obolus (Schmidtia) celatus. 



Schmidtia) celatus orbiculatus Mickwitz [1896, pp. 163-16&] Do. 



Schmidtia) celatus praecisus Mickwitz [1896, pp. 166-167] Do. 



Schmidtia) crassus Mickwitz [1896, pp. 187-193] Obolus (Schmidtia) crassus. 



Schmidtia) crassus angulatus Mickwitz [1896, pp. 193-194] Do. 



Schmidtia) obtusus Mickwitz [1896, pp. 167-171] .Obolus (Schmidtia) obtusus. 



Schmidtia) obtusus acutus Mickwitz [1896, pp. 172-173] Do. 



Schmidtia) obtusus ellipticus Mickwitz [1896, pp. 177-178] Do. 



Schmidtia) obtusus extenuatus Mickwitz [1896, pp. 178-179] Do. 



Schmidtia) obtusus latus Mickwitz [1896, pp. 174-175] Do. 



Schmidtia) obtusus longus Mickwitz [1896, pp. 171-172] Do. 



Schmidtia) obtusus minutus Mickwitz [1896, pp. 175-177] Do. 



Thysanotos) Mickwitz [1896, pp. 194-195] Obolus (Mick-svitzella). 



Thysanotos) siliu-icus Jlickwitz [1896, pp. 195-199] Obolus (Mickwitzella) siluricus. 



Thysanotus) Walcott [1901, p. 683] Obolus (Miclcwitzella). 



Westonia) Walcott [1901, pp. 683 and 691] Obolus (Westonia). 



Walcott [1908e, PL XI, and pp. 142 and 144] Do. 



Obolus (Westonia) alandensis Walcott [1905a, p. 334] Obolus (Westonia) alandensis. 



Obolus (Westonia) aurora Walcott [1901, p. 691] Obolus (Westonia) aurora. 



Obolus (Westonia) baltica Walcott [1905a, p. 334] Obolus (Westonia) balticus. 



Obolus (Westonia) blackwelderi Walcott [1 905a, p. 335] Obolus (Westonia) blackwelderi. 



Obolus (Westonia) bottnica Walcott [1 905a, pp. 335-336] Obolus (Westonia) bottnicus. 



Obolus (Westonia) chuarensis Walcott [1901, p. 691] Obolus (Westonia) chuarensis. 



Obolus (Westonia) dartoni Walcott [1908d, p. 67] Obolus (Westonia) dartoni. 



Obolus (Westonia) ella Walcott [1901, p. 691] Obolus (Westonia) ella. 



Obolus (Westonia) ella onaquiensis Walcott [1908d, pp. 67-68] Obolus (Westonia) ella onaquiensis. 



Obolus (Westonia) elongatus Walcott [1908d, p. 68] Obolus (Westonia) elongatus. 



Obolus (Westonia) escasoni Walcott [1901, p. 691] Obolus (Westonia) escasoni. 



Obolus (Westonia) eugljTphus Walcott [1901, p. 691] Obolus (Westonia) euglyphus. 



Oljolus (Westonia) finlandensis Walcott [1902, pp. 611-612] Obolus (Westonia) finlandensis. 



Obolus (Westonia) iphis Walcott [1905a, p. 336] Obolus (Westonia) iphis. 



Obolus (Westonia?) lamellosus Walcott [1901, p. 691] Obolus (Westonia?) lamellosus. 



Obolus (Westonia) notchensis Walcott [1908d, p. 69] Obolus (Westonia) notchensis. 



Obolus (Westonia) rogersi Walcott [1901, p. 691] Obolus (Westonia) rogersi. 



Obolus (Westonia) stoneanus Walcott [1901, p. 691] Obolus (Westonia) stoueanus. 



Obolus (Westonia) themis Walcott [1905a, pp. 336-337] Obolus (Westonia) themis. 



Obolus (Westonia) wasatchensis Walcott [1908d, pp. 69-70] Obolus (Westonia) wasatchensis. 



Obolus (Westonia) wimani Walcott [1905a, p. 337] Obolus (Westonia) wimani. 



obscm-a [Billingsella], Walcott [1905a, p. 239] Billingsella obscura. 



obscurus [Obolus], Walcott [1905a, p. 326] Obolus obscm-us. 



obtusus? [Obolus], Moberg and Segerberg [1906, p. 65] Obolus (Schmidtia) obtusus. 



Westergard [1909, p. 57] Do. 



Wiman [1902, p. 63] Do. 



obtusus [Obolus (Schmidtia)], Mickwitz [1896, pp. 167-171] Do. 



obtusus acutus [Obolus (Sclmiidtia)], Mickwitz [1896, pp. 172-173] Do. 



obtusus ellipticus [Obolus (Schmidtia)], Mickwitz [1896, pp. 177-178] Do. 



obtusus extenuatus [Obolus (Schmidtia)], Mickwitz [1896, pp. 178-179] ... Do. 



obtusus latus [Obolus (Schmidtia)], Mickwitz [1896, pp. 174-175] Do. 



obtusus longus [Obolus (Schmidtia)], Mickwitz [1896, pp. 171-172] Do. 



obtusus minutus [Obolus (Schmidtia )], Mickwitz [1896, pp. 175-177] Do. 



occidens [Mickwitzia], Walcott [1908d, p. 54] Mickwitzia occidens. 



celandica [Acrotreta], Westergard [1909, p. 76] Acrotreta celandica. 



onaquiensis [Obolus (Westonia) ella], Walcott [1908d, pp. 67-68] Obolus (Westonia) ella onaquiensis. 



ophirensis [Acrotreta], Walcott [1902, pp. 591-592] Acrotreta ophirensis. 



ophirensis [Acrotreta cf.], Walcott [new] Acrotreta cf. ophirensis. . 



ophirensis [Iphidella pannula], Walcott [1905a, p. 306] Micromitra (Iphidella) pannula ophirensis. 



ophirensis descendens [Acrotreta], Walcott [190Sd, p. 95] Acrotreta ophirensis descendens. 



ophirensis rugosus [Acrotreta], Walcott [1902, p. 592] Acrotreta ophirensis rugosa. 



ora [Micromitra (Paterina) stissingensis], Walcott [new] Micromitra (Paterina) stissingensis ora. 



