I remember seeing part of a Creature Feature-type movie on weekend television as a kid. This was probably in the late ‘70s, but the movie was an older black and white film. I don't remember much about it, and what I do might be distorted or wrong at this point.
Anyway, I think some people found one or more mysterious rock eggs. The eggs might have been baseball or softball sized. The eggs are brought back to a house and are left unattended. The people may have left the eggs in their fireplace. One or more monsters hatch out of the eggs and leave "burned" creature footprints on the carpet. I guess the monsters had extremely hot body temperatures.
I don't remember much about the monsters, but for some reason I think they might have been reptilian and/or invisible. I assume the monsters attacked various people, but I can't remember anything else.
Any help figuring out this movie would be much appreciated!
Thanks,
Carl
UPDATE: NAME THAT TRAUMA SOLVED! Special thanks to DavidFullam for solving this one with SOUND OF HORROR!
Carl, I'm going to take you up on your thinking that some of your recollections might be fuzzy, and toss out the possibility of this being The X From Outer Space. Guilala (isn't that just fun to say?) hatches from a red glowing spore (also described as an egg in several synopses), burns a hole through a floor, and the creature leaves behind a burned footprint – it eventually grows to skyscraper height.
http://www.stomptokyo.com/badmoviereport/reviews/X/xos.html
Also, Guilala made a comeback of sorts in that theladders.com commercial from last year.
http://www.youtube.com/watch?v=W89YXGQShCI
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Could be "The Sound of Horror." That was a Spanish film that had an invisible dinosaur and it's eggs.
Reader Carl confirmed THE SOUND OF HORROR via email: