Description
h obvious stalk (Fig. 7). VERSOCHONIDAE Jankowski, 1973 ened, not rotated ; with left field larger ld ; right field may be subdivided into ; five genera. spines on conal margin ..... P/eochona . ........ ... .... .... .. .... ... .. ...... ..... ............ .. 2 dy smooth, without spines .. .... ... .. .. .... . ..... .. ... ... ... ... .. . ... ... ..... ..... ... ...... ... lnversocho ody with spines .......... .. .... ..... ...... ... . 3 pines on body ........ .... Chonosaurus spines on body .. ..... .... .. .... .... .......... .. 4 nes on conal margin ; right field not .. .. .. .... .... ... ... .. ............. Ceratochona ne long spine on conal margin ; right ivided .... ... ........... ... ... Kentrochona enus P/eochona Jankowski , 1973 g; spines on conal margin (Fig . 8) . CILIOPHORA, CHONOTRI Ampithoe.
Type species
Figures
Raw text
h obvious stalk (Fig. 7). VERSOCHONIDAE Jankowski, 1973 ened, not rotated ; with left field larger ld ; right field may be subdivided into ; five genera. spines on conal margin ..... P/eochona . ........ ... .... .... .. .... ... .. ...... ..... ............ .. 2 dy smooth, without spines .. .... ... .. .. .... . ..... .. ... ... ... ... .. . ... ... ..... ..... ... ...... ... lnversocho ody with spines .......... .. .... ..... ...... ... . 3 pines on body ........ .... Chonosaurus spines on body .. ..... .... .. .... .... .......... .. 4 nes on conal margin ; right field not .. .. .. .... .... ... ... .. ............. Ceratochona ne long spine on conal margin ; right ivided .... ... ........... ... ... Kentrochona enus P/eochona Jankowski , 1973 g; spines on conal margin (Fig . 8) . CILIOPHORA, CHONOTRI Ampithoe.