| Issue | #345 |
| Published | October 1990 |
| Cover Price | 1.00 |
| Pages | 36 |
| Editing | Ralph Macchio; Michael Heisler (Assistant) |
| Characters | a Triceratops |
| Genre | superhero |
| Pencils | Walter Simonson (signed) |
| Inks | Walter Simonson (signed) |
| Letters | Typeset |
| Characters | FEATURE: Fantastic Four--Mr. Fantastic; Invisible Woman; Human Torch; Ben Grimm [The Thing]; Ms. Marvel [Sharon Ventura]; GUEST: Lt. Glazier |
| Synopsis | The Fantastic Four are lost in time in an age of dinosaurs; Shary reverts to human form. |
| Genre | superhero |
| Script | Walter Simonson |
| Pencils | Walter Simonson |
| Inks | Walter Simonson |
| Letters | Bill Oakley |
| Notes | There are no printed creator credits. Letterer credit from Felicity Walker (May 16, 2005). |