paddlanes

Tricyclic saturated hydrocarbons having two bridgehead carbon atoms joined through four bridges, systematically named tricyclo [m.n.o.p 1, ( m + 2 )]alkanes, have been referred to as [m.n.o.p]paddlanes (when p = 0, the compounds are propellanes).
P04395
Source:
PAC, 1995, 67, 1307 (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1355