The plot of the sketch is that the interviewee, Anne Elk, cannot bring herself to describe the actual basis of her supposed new palaeontological theory on dinosaurs, specifically Brontosauruses.
Similarly, in the 2005 version, he confidently films a herd of Brontosaurus while his lead actor panics.
In addition to numerous miniature animal models and 2-D 'profiles', Zeman also used larger models of heads and bodies of animals (including a full-size 'dead' Stegosaurus and swimming woolly rhino, Brontosaurus and Trachodon models), as well as life-sized model plants (as in the Carboniferous forest sequence, and the encounter with the Styracosaurus).
With Ed Cobb of the Four Preps, Mayorga also branched out into instrumental rock and roll, forming The Piltdown Men, a studio group whose "Brontosaurus Stomp" made the Billboard Hot 100 in 1960 and whose other records had greater success in the UK charts.
They hide in the mouth of the blue whale display until after closing time and then begin looking over the skeleton of an Apatosaurus (referred to as a Brontosaurus).
Sinclair has long been a fixture on American roads with its dinosaur logo and mascot, an apatosaurus (Brontosaurus).
Advertising for the dinosaur shapes featured the "Fruitasaurus," a friendly Brontosaurus who stockpiled dinosaur shaped Fun Fruits.