Enlarge (credit: Lesley Cherns et al.) Researchers created a highly detailed 3D model of a 365-million-year-old ammonite fossil from the Jurassic period by combining advanced imaging techniques, revealing internal muscles that have never been previously observed, according to a paper published last month in the journal Geology. Another paper published last month in the journal […]
Enlarge / In this artist’s representation, Tetrapodophis amplectus glides through a tangle of branches from the conifer Duartenia araripensis that have fallen into the water, sharing this habitat with a water bug in the family Belostomatidae and small fish. (credit: Julius Csotonyi) The discovery of a rare Cretaceous fossil that could have been a missing […]
Enlarge / Reconstruction of the orthocone ammonite Baculites compressus . A new study reveals that the creatures likely lived a vertically oriented lifestyle. (credit: David Peterman) The fossil record is chock-full of the fossilized remains of spiral-shelled ammonoids , whose shapes are reminiscent of rams’ horns. But there was another type of ammonoid with long, […]