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 
Scorpio 
OLDER
CIRCUMSCRIPTIONAL
SYNONYM:
= Ctenophora Pocock 1893
(non Ctenophora in Coelenterata)
JUNIOR
CIRCUMSCRIPTIONAL SYNONYMS:
= Cteidophora Börner 1902
= Pectinifera Lankester 1910
NON-UNIVOCAL
CIRCUMSCRIPTIONAL SYNONYMS (distinctly without 
Apoxipodes):
= Dionychopodes Thorell & Lindström 1885
= Dionychopoda Lankester 1910
NON-UNIVOCAL CIRCUMSCRIPTIONAL SYNONYM:
= Euscorpiones Petrunkevitch 1949
NON-UNIVOCAL
CIRCUMSCRIPTIONAL SYNONYM (distinctly without Prosophthalmi):
= Opisthophthalmi Corda 1835
NON-UNIVOCAL
CIRCUMSCRIPTIONAL SYNONYM (distinctly without Anthracoscorpii):
= Neoscorpii Thorell & Lindstrom 1885
TYPIFIED NAME(S): Scorpio/fg
[f: Scorpionides Latreille 1802; g: Scorpio Linnaeus 1758: 624, typus
Scorpio maurus Linnaeus 1758 (ICZN Direction 60,
1957)]
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. 