This specimen has been carefully prepared and extracted from its natural limestone rock
Olivine and pyroxene do not show chemical variation
interlocking kamacite grains
The smaller pieces were found nearer to Habaswein
30559 - Beautiful 1.58 Inch Positive/Negative Metacryphaeus venustus Lower Devonian Trilobite - Bolivia Ammonites This specimen has been carefullyMetacryphaeus, 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,