Encepalomeres, [262]

Endognath, [238], [271], [304], [381]

Endostoma, [241], [306]

Endostyle, [198], [212]

Entapophysis of Limulus, [139]

Enterocœla, [472]

Enteropneusta, [438], [494]

Entochondrites, [377]

Entosclerite, [222], [271]

Entosternite, [143]