14 



CHESTER OSTRACODES OF ILLINOIS 



Faunal Chart 







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ACRONOTELLIDAE 



\/[r\rtr\np'rcii-\n^ rplQfllona f J3 CoOPPr 



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6 



IVTrM-inr'^rpf-i n^ nnima Clonnpr 









BAIRDIIDAE 



Ai^rafia Hicinnrfa A/Tnrpv 



7 



Ar'rot-ia mnpronflt"3 Cnnnpf 



6 













3 









4 









34 





7 



Bairdia curvis Coooer 







7 



Bairdia salei Croneis and Thurman. .... . 





Bairdia golcondensis Croneis and Gale 



3 



Bairdia granireticulata Harlton . . 



3 4 



Bairdia imDendere CooDer . ... 





Bairdia insolens Cooper 







Bairdia lanulata Harlton 



4 



Bairdia mccoyi Croneis and Gutke 





Bairdia nasuta Morey 



7 



Bairdia? osorioi Croneis and Gale 





Bairdia renaultensis Croneis and Gutke 







Bairdia sinuosa Cooper 







Bairdia subelongata Jones and Kirkby 



8 



Bairdia subtila Cooper 





Bairdia submucronata (Jones and Kirkby) 



3, 8 



Bairdia? subrotundata Harlton 



3 



Bairdiolites brevirostris Croneis and Thurman 



Bairdiolites bulbosus Croneis and Bristol 





Bairdiolites crassus Cooper . . . 







Bairdiolites crescentis Croneis and Gale 







Bairdiolites elongatus Croneis and Funkhouser 



Bairdiolites fornicatus Cooper 



. 



Bairdiolites ovatus Croneis and Funkhouser 



Bairdiolites platypleurus Croneis and Gale 



r — 



Bairdiolites procerus Cooper 



' 



Bairdiolites tenuis Cooper 



4 



Bairdiolites vulgaris Cooper 





Beyrichiopsis brynhildae Coryell and Johnson 



Beyrichiopsis thori Coryell and Johnson 



— 



Bythocypris amsdenensis Morey 



4, 7 



Bythocypris clorensis Croneis and Funkhouser 



Bythocypris concava Cooper 



3 



Bythocypris fabalis Cooper 







Bythocypris fayettevillensis Harlton 



4 



Bythocypris gibba Cooper. 





Bythocypris modica Cooper 











