Portal:Paleontology/DYK/41

A life restoration of two Centrosaurus, the primary constituent of the Hilda mega-bonebed

... that the Hilda mega-bonebed is Canada's largest dinosaur bonebed, preserving thousands of the horned dinosaur Centrosaurus apertus across an area of 2.3 square kilometers?
... that the oldest association between Trypanosoma, which causes Chagas disease, and its vector, the assassin bug Triatoma, is found in Triatoma dominicana and Trypanosoma antiquus?
... that the extinct crocodile Rimasuchus often preyed on large mammals, including early humans?
... that the first described fossil of Aphaenogaster mersa (illustrated) had a white mold coating?
... that Tilly Edinger founded paleoneurology?

A life restoration of Arizonasaurus

... that Arizonasaurus had a large sail along its back made of the spines on its vertebrae?
... that Carletonomys, a rodent related to modern rice rats, is known only from one incomplete upper jaw from over 1 million year old silt deposits in Argentina?
... that Urocyon progressus, a species of extinct fox, was formally described after two bones and a tooth were found?
... that the scorpionfly family Eorpidae has a single genus, Eorpa, described in 2013?
... that based on its skull anatomy, the small Early Jurassic crocodile relative Dibothrosuchus (reconstruction pictured) probably had a keen sense of hearing and was vocal like modern crocodiles?