brontosauri

The tribulations of a celluloid cutie are minor items when two brontosauri begin to muss up a whole forest in mortal combat.

1925 February 21, “Moving Pictures”, in The New Yorker, volume 1, number 1, New York City, New York, United States: F-R Pub. Corp., →ISSN, →OCLC, page 28

The problem now is not “Why have we found no small brontosauri?” but “What happened to the big ones?”[…]

1962, Analog Science Fact & Science Fiction, volume 69, page 165

I, for example, don't miss the brontosaurus very much and get along very well in a world that doesn't have brontosauri, since I've never known one.

1969, Growth of Population: Consequences and Controls: Proceedings, page 355

But a little post mortem first may provide information useful to other people who keep brontosauri or other large beasts and who are solicitous or apprehensive about their health.

1977, Nuclear Power Costs: Hearings Before a Subcommittee of the Committee on Government Operations, House of Representatives, Ninety-fifth Congress, First Session, Part 2, page 1064

Other museums throughout the country have also noted the strange heads on their brontosauri and have made the change accordingly.

1982, Fossils Quarterly