Callichimaera Simijaca Formation Cordillera Oriental (Colombia) Pacho Formation La Naveta Formation Ritoque Formation Murca Formation Socotá Formation La Frontera Formation Trincheras Formation Villeta Group Conejo Formation El Peñón Formation Capotes Formation Colombian emeralds Fernando Etayo Middle Magdalena Valley Guavio Formation Hiló Formation Oliní Group Hondita Formation Paipa-Iza volcanic complex Altiplano Cundiboyacense Une Formation Guadalupe Group Fómeque Formation Guaduas Formation Loma Gorda Formation Chipaque Formation Rosablanca Formation Sierra Nevada del Cocuy Arcabuco Formation Las Juntas Formation Macanal Formation Paja Formation 2019 in arthropod paleontology