CLADOENDESIS OF EPHEMEROPTERA
			zzz	A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z

Fig. 232–235. Centroptella (Centroptella) illiesi. 232 – left half of penis; 233 – styliger and left gonostylus; 234 – its subimaginal exuviae; 235 – protogonostyli and with subimaginal gonostyli starting to develop (phase later than in Fig. 223). Abbreviations as in Fig. 46–48.