NOMEN: Toxicura Cook 1899 [O.F. Cook. Hubbardia, a new genus of Pedipalpi. – Proc. Entomol. Soc. Washington, 1899, 4: 249-261]
ORIGINAL LISTED MEMBERSHIP (Cook
1899):
Scorpiones 
SENIOR
CIRCUMSCRIPTIONAL
SYNONYM:
= Ctenophora Pocock 1893
(non Ctenophora in Coelenterata)
JUNIOR
CIRCUMSCRIPTIONAL SYNONYMS:
= Cteidophora Börner 1902
= Pectinifera Lankester 1910
NON-MONOSEMANTIC CIRCUMSCRIPTIONAL SYNONYMS (distinctly without †Apoxypodes):
= Dionychopodes Thorell & Lindström 1885
= Dionychopoda Lankester 1910
NON-MONOSEMANTIC CIRCUMSCRIPTIONAL SYNONYM:
= Euscorpiones Petrunkevitch 1949
NON-MONOSEMANTIC CIRCUMSCRIPTIONAL SYNONYM (distinctly without †Prosophthalmi):
= Opisthophthalmi Corda 1835
NON-MONOSEMANTIC CIRCUMSCRIPTIONAL SYNONYM (distinctly without †Anthracoscorpii):
= Neoscorpii Thorell & Lindstrom 1885
TYPIFIED NAME IN BASIC
FORMAT: Scorpio/fg
TYPIFIED NAMES IN USE:
Scorpio, Scorpioda, Scorpiodea,
Scorpiides, Scorpione, Scorpionea, Scorpiones, Scorpionida,
Scorpionidea, Scorpionidae, Scorpionides, Scorpionina, Scorpionomorpha
MODERN
STATUS: 
the valid, the oldest name of a holophyletic taxon.