it 
an earlier, identical emendation, Sirene Link, 1794, which is a 
citeable jr. synonym of Siren). 
Sirenodon Wiegmann, 1832, in Wiegmann and Ruthe, Handb. Zool., Ed. 
2:204 (rejected in priority but not homonymy contexts to 
protect Ambystoma Tschudi, 1838; type species Siredon axolotl 
Wagler, 1830, a jr. synonym of Gyrinus mexicanus Shaw, 1798, 
now assigned to Ambystoma). 
Sphdenodon Gray, usslye Zool. Musics (1): 14> 9(rulleds tan tincorrect 
Original spelling, non-existent nomenclaturally, of Sphenodon 
Gray, 1831, type species, Hatteria punctata Gray, 1842; emended 
first to Sphenodon by Gray, 1872, and thus accepted by the 
EC ZAIN ins 
Sphalerosophis Jan, 1865, in Filippi, Note Viaggio Persia:356 (an 
incorrect original spelling and jr. synonym of Spalerosophis 
Jan, 1865; Sphalerosophis Jan is therefore non-existent 
nomenclaturally). 
Spiarquiss Merrem,. Uuec0),.) Tente syst. sAmph. 219 iar jm. =synonymaot 
Dermochelys Blainville, 1816, having the same type species, 
resiudecomvacem. Vandeldu,*°1761 7) in= the case” of Sphargis, 
Ehzough a 7m. Synonym of To coriacea, Ss. mercurialis~Merrem, 
IL tS32(0))) 
Stegoporus Wiegmann, 1832, in Wiegmann and Ruthe, Handb. Zool., 
Ed. 2:204 (rejected in priority but not homonymy contexts in 
Onder eOm protect Ambystzoma’ Tsichuday,.el8s8; proposed= as a 
substitute for Siredon Wagler, 1830, a jr. synonym of Gyrinus 
mexicanus Shaw, 1898, now in Ambystoma). 
Ste Lio, Daudi ns 802,.HisSt.wNat.. ~Rept...» 43.5: ola. .j%..-homonyms of 
Stellio Laurenti, 1768, a nomen dubium because its type 
species, S. saxatilis, is unidentifiable; neither Laurenti name 
has been rejected officially, however, and Stellio Laurenti has 
commonly been regarded as an invalid sr. synonym of Agama 
Daudin, 1802). 
Tachyophis Mertens, 1934, Arch. Naturg. (n.f.) 3:197 (invalid as a 
jx. homonym of Tachyophis Rochebrune, 1884, a fossil snake; 
type species Coluber pictus Gmelin, 1788, now placed in 
Dendrelaphis Boulenger, 1890, as a valid species). 
TaparavOken,; | 18167, lehrb. Natur. 3:vi9 (index)? (this “work “by Oken 
has been rejected for nomenclatural purposes (Opinion 417), 
hence the name does not exist nomenclaturally, as of Oken, 
1816, and should not be cited in the synonymy of anything, 
although commonly referred to Phrynosoma Wiegmann, 1828; also 
an incorrect original spelling of Tapaia Oken, 1816, q. v.). 
