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

Figs 87–94. Details of exuviae of subimago. 87–89 – Cheleocloeon clavifolium: 87–88 – left half of mesonotum of different specimens; 89 – pterothorax sterna and pleura. 90–92 – Ch. truncifolium: 90 – left half of mesonotum (holotype); 91 – abdominal segments IV–V; 92 – left pleuron. 93 – Ch. yolandae, left half of mesonotum; 94 – Cheleocloeon sp. 1, abdominal segments III–V. Abbreviations: lpnc – lateropostnotal crest; psa – postsubalar sclerite; sa – subalar sclerite.