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![Triceratium dubium Triceratium dubium](stuart_r_stidolph_117ab_triceratium_dubium_scale25_20110721222621_micro.jpg) Triceratium dubium |
![Triceratium favus Triceratium favus](triceratiumfavus_pnt.jpg) Triceratium favus |
![Triceratium favus Triceratium favus](triceratiumfavus1sw_pnt.jpg) Triceratium favus |
![Triceratium favus Triceratium favus](triceratiumfavussw_pnt.jpg) Triceratium favus |
![Triceratium favus Triceratium favus](robert22_triceratium_favus_1200x_108um_20090218163053_micro.jpg) Triceratium favus |
![Triceratium favus Triceratium favus](sandra_meier_triceratium_favus_messpfahl_0209_20090802115442_micro.jpg) Triceratium favus |
![Triceratium favus Triceratium favus](alexandra_triceratium_favus_250310_20100523222909_micro.jpg) Triceratium favus |
![Triceratium favus Triceratium favus](alexandra_triceratium_favus_170311_20110321230246_micro.jpg) Triceratium favus |
![Triceratium favus Triceratium favus](stuart_r_stidolph_13_triceratium_favus_scale75_20110514181114_micro.jpg) Triceratium favus |
![Triceratium favus Triceratium favus](stuart_r_stidolph_16_triceratium_favus_scale75_20110603000448_micro.jpg) Triceratium favus |
![Triceratium favus Triceratium favus](alexandra_triceratium_elbe7_030713_20131205170257_micro.jpg) Triceratium favus |
![Triceratium favus Triceratium favus](alexandra_tric_fav_he461_elbe8_200416_20181102165539_micro.jpg) Triceratium favus |
![Triceratium favus Triceratium favus](alexandra_tric_fav1_he461_elbe8_200416_20181102165601_micro.jpg) Triceratium favus |
![Triceratium favus fo quadratus Triceratium favus fo quadratus](stuart_r_stidolph_17_triceratium_favus_foquadrata_scale50_20110806205340_micro.jpg) Triceratium favus fo quadratus |
![Triceratium finnmarchicum Triceratium finnmarchicum](stuart_r_stidolph_119_triceratium_finnmarchicus_scale50_20110507185029_micro.jpg) Triceratium finnmarchicum |
![Triceratium formosum Triceratium formosum](stuart_r_stidolph_22_triceratium_formosum_scale50_20110806210547_micro.jpg) Triceratium formosum |
![Triceratium formosum var pentagonalis Triceratium formosum var pentagonalis](stuart_r_stidolph_20_triceratium_formosum_varpentagonalis_scale50_20110806210214_micro.jpg) Triceratium formosum var pentagonalis |
![Triceratium morlandii Triceratium morlandii](robert22_triceratium_morlandii_600x_187um_20090219122943_micro.jpg) Triceratium morlandii |
![Triceratium pentacrinus Triceratium pentacrinus](fatima_santos_triceratium_pentacrinus_madeira_100406_20081230234026_micro.jpg) Triceratium pentacrinus |
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![Triceratium pentacrinus Triceratium pentacrinus](robert22_triceratium_pentacrinus_1400x_89um_20090219120403_micro.jpg) Triceratium pentacrinus |
![Triceratium pentacrinus Triceratium pentacrinus](stuart_r_stidolph_6_triceratium_pentacrinus_scale50_20110613213002_micro.jpg) Triceratium pentacrinus |
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![Triceratium pentacrinus Triceratium pentacrinus](stuart_r_stidolph_16_triceratium_pentacrinus_scale75_20111007191208_micro.jpg) Triceratium pentacrinus |
![Triceratium pentacrinus f quadrata Triceratium pentacrinus f quadrata](stuart_r_stidolph_20_triceratium_pentacrinus_fo_quadrata_20111007192209_micro.jpg) Triceratium pentacrinus f quadrata |
![Triceratium pentacrinus fo quadrata Triceratium pentacrinus fo quadrata](stuart_r_stidolph_116_triceratium_pentacrinus_scale25_20110507183716_micro.jpg) Triceratium pentacrinus fo quadrata |
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![Triceratium reticulum Triceratium reticulum](stuart_r_stidolph_6_trigonium_reticulum_scale25_20110610231426_micro.jpg) Triceratium reticulum |
![Triceratium reticulum Triceratium reticulum](stuart_r_stidolph_7_trigonium_reticulum_scale25_20110610231620_micro.jpg) Triceratium reticulum |
![Triceratium robertsianum Triceratium robertsianum](stuart_r_stidolph_1_triceratium_robertsianum_scale75_20111006235412_micro.jpg) Triceratium robertsianum |
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![Triceratium scitulum Triceratium scitulum](stuart_r_stidolph_9_triceratium_scitulum_scale75_20110514165518_micro.jpg) Triceratium scitulum |
![Triceratium scitulum Triceratium scitulum](stuart_r_stidolph_10_triceratium_scitulum_scale75_20110514165650_micro.jpg) Triceratium scitulum |
![Triceratium scitulum Triceratium scitulum](stuart_r_stidolph_7_triceratium_scitulum_scale75_20110514180138_micro.jpg) Triceratium scitulum |
![Triceratium scitulum Triceratium scitulum](stuart_r_stidolph_17_triceratium_scitulum_scale75_20110603000651_micro.jpg) Triceratium scitulum |
![Triceratium scitulum Triceratium scitulum](stuart_r_stidolph_15_triceratium_scitulum_scale375_20110806204622_micro.jpg) Triceratium scitulum |
![Triceratium shadboltianum Triceratium shadboltianum](stuart_r_stidolph_18_triceratium_shadboltianum_scale75_20110603234023_micro.jpg) Triceratium shadboltianum |