Sunday, July 16, 2017

Follow-up: Pipestone National Monument, Scenella, Cylindrocoelia

Here's a little more information on a few enigmas from previous posts, with some additional photos from the University of Minnesota paleontological collections. First up is Pipestone National Monument's "Lingula calumet", then Scenella, and finally Cylindrocoelia minnesotensis.

Sunday, July 2, 2017

National Park Service dinosaurs

Here we are, three and a half years into this thing, and I haven't done a summary of National Park Service dinosaurs (non-avian variety)? No better time than the Fourth of July!

Time for another giant caption! This map shows the National Park Service units where non-avian dinosaur bones or tracks have been found in situ, or are historically associated with a park. 1. Yellowstone National Park; 2. Bighorn Canyon National Recreation Area; 3. Dinosaur National Monument; 4. Capitol Reef NP; 5. Arches NP; 6. Canyonlands NP; 7. Bryce Canyon NP; 8. Zion NP; 9. Glen Canyon NRA; 10. Rainbow Bridge NM; 11. Pipe Spring NM; 12. Petrified Forest NP; 13. Colorado NM; 14. Curecanti NRA; 15. Mesa Verde NP; 16. Chaco Culture National Historical Park; 17. Yukon-Charley Rivers National Preserve; 18. Denali NP & Preserve; 19. Wrangell-St. Elias NP & Preserve; 20. Katmai NP & Preserve (possibly); 21. Aniakchak NM & Preserve; 22. Big Bend NP; 23. Lewis and Clark National Historic Trail; 24. Springfield Armory National Historic Site.