Differences between the impressions on slab and counterslab led Fred Hoyle and Lee Spetner in 1985 to declare that some Archaeopteryx fossils had been forged, a claim dismissed by most palaeontologists.
Counter-Reformation | Counter-Strike | Geiger counter | counter-insurgency | Raging Slab | Counter Terrorism Command | Counter-Attack | counter | United Nations Security Council Counter-Terrorism Committee | Slayer's Slab | Slab monolith, like the first sequence of ''2001: A Space Odyssey | Slab Creek Dam | ''Psittacosaurus'' fossil from China preserved on a slab alongside ''Ordosemys liaoxiensis | Presidential Commission of the Russian Federation to Counter Attempts to Falsify History to the Detriment of Russia's Interests | Over-the-counter drug | Office for Security and Counter-Terrorism | Nigerian Counter-Coup of 1966 | lunch counter | Internal Counter-Intelligence Service | Counter-terrorism in Singapore | Counter-Strike Online | Counter slab | Counter-reformation | counter-pressure brake | Counter-insurgency | Counter-Clock World | counter-attack | Axle counter |
Undulopsychopsis alexi is known only from one fossil, the part and counterpart holotype, specimen number CYNB044, which is housed in the collections of the Chaoyang Bird Fossil National Geopark Chaoyang, Liaoning, China.