EditorialG. Cetonia 12, Beetle; Figs. 1-6: C. Aenea; C. Excavata, C. Morio, C. Oblonga, C. Inhumata, C. Elongata, Signed: E. Gu?rin pinx, Oudet Sculp, Raymond Imp, Publi? par J. B. Bailli?re, Pl. 42, after p. 410, Gu?rin-M?neville, F?lix-?douard (pinx.); Oudet,...
EditorialSiphonia excavata, Print, Siphonia is a genus of extinct hallirhoid demosponges of the Upper Cretaceous, from about 125 to 66 million years ago. They lived in the Western Tethys Ocean, in what is now Europe.