In 2006, IGN ranked "Jurassic Bark" as #8 in their list of top 25 Futurama episodes, with critic Dan Iverson remarking that the climax was "one of the saddest endings to a television program that I have ever seen."
Nibbler's eyestalk can be seen poking out of the trash can before Fry is frozen. A few seconds later, the shadows of Fry and Nibbler under the desk are visible.
The song that is sung at the end is called "I Will Wait For You" from the 1964 French musical "Les Parapluies de Cherbourg" (The Umbrellas of Cherbourg) written by Michel Legrand and performed by Connie Francis.
It is possible that the plot is in reference to the dog, Hachikō, who had waited for his owner at the train station for many years even after his owner's death. Hachikō's remains are kept at the museum too.
The average lifespan of a dog is 12 - 15 yrs. old. Seymour was 15 when he passed away
In ''Bender's Big Score", Fry, who traveled back in time to live in the 21st century, is seen petting Seymour. Bender, who was trying to kill Fry, blasted Panucci's and covered Seymour with dolomite. This explains how Seymour was fossilized in "Jurassic Bark."
In "A Clockwork Origin", while the crew is digging for fossils, Hermes finds a dog, saying "uh-oh, another one of Fry's dogs".