: So, what you're saying above is that the only way Jackals could be related to
: anything on earth is if they were descended from a spore that spread
: through panspermia? Doesn't that make them like our father's brother's
: nephew's cousin's former roommate?

Yup. Unless Dervish is right and somebody transplanted dinosaurs to the Jackal's 'home' planet. Maybe they were rescued from the asteroid strike and Jackals are their descendants.

The mysterious race responsible would be called the Retconers.