The first description of Halisaurus (Reptilia Mosasauridae) from Europe
time 60s and maximum process time to achieve best resolution of peaks in spectra
interlocking kamacite grains
Ecology: nektonic microcarnivore
A new mosasauroid reptile from the Cretaceous of Alabama
30559 - Beautiful 1.58 Inch Positive/Negative Metacryphaeus venustus Lower Devonian Trilobite - Bolivia Ammonites The first description of HalisaurusMetacryphaeus, Reed 1907 (trilobite) Trilobita Phacopida Calmoniidae PaleoDB taxon number: 21644 Parent taxon: Calmoniidae according to P. A. Jell and J. M. Adrain 2002 See also Sepkoski 2002 Sister taxa: Anchiopella, Andinacaste, Australoacaste, Australops, Bainella, Bouleia, Calmonia, Chiarumanipyge, Clarkeaspis, Cryphaeoides, Deltacephalaspis, Eldredgeia, Jujuyops, Kozlowskiaspis, Malvinella, Malvinocooperella, Oosthuizenella, Palpebrops,