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Contributed by Harvard University Botany Libraries.
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Transcription
13
C. elegantulus Grev.
C. ellipticus Grun.
C. elongatus Grun.
C. excavatus Grev.
C. eccentricus Ehrb.
C. fuscus Norm.
C. galapagensis Ratt.
C. gigas Ehrb.
C. griseus Grev.
C. grunovii Pant.
C. heteroporus Ehrb.
C. increscens Grun.
C. incretus Schmidt.
C. kryophilus Grun.
C. lentiginosus Jans.
C. lewisianus Grev.
C. limbatus Ehrb.
C. lineatus Ehrb.
C. marginatus Ehrb.
C. megalomma Schmidt.
C. micans Schmidt.
C. minutus Kutz.
C. moellerii Schmidt.
C. nitidulus Grun.
C. nitidus Greg.
C. nodulifer Schmidt.
C. normanii Greg.
C. oblongus Grev.
C. oculus-iridis Ehrb.
C. omphalanthus Ehrb.
C. ovalis Rop.
C. ovum Tempr. & Pera.
C. patellaeformis Grev.
C. perforatus Ehrb.
C. radiatus Ehrb.
C. robertsianus
C. robustus Grev.
C. simbirskianus Grun.
C. sol Wall.
C. spiniferus G. & St.
C. stellaris Rop.
C. subtilis Ehrb.
C. symmetricus Grev.
C. temperei Brun
C. tuberculatus Grev.
C. bigilans Schmidt.
46. Cosmoidiscus
C. sp.
C. carconesis Grun.