30338 - Top Rare 1.33 Inch Asteropyge stellifera Devonian Trilobite - France Corals Schizoneura

Schizoneura

Strope: 421 Fourth Street

Individual crystals are rare but do occur as slender to acicular prisms

Crystals treated this way are used as gemstones and for other decorative purposes

Photomicrographs were performed by using:

30338 - Top Rare 1.33 Inch Asteropyge stellifera Devonian Trilobite - France Corals SchizoneuraAsteropyge, Hawle and Corda 1847 (trilobite) Trilobita Phacopida Acastidae PaleoDB taxon number: 21450 Parent taxon: Acastidae according to P. A. Jell and J. M. Adrain 2002 See also Sepkoski 2002 Sister taxa: Acastava, Acaste, Acastella, Acastellina, Acastocephala, Acastoides, Acastopyge, Alcaldops, Armorigreenops, Asteropyginae, Baniaspis, Bellacartwrightia, Bradocryphaeus, Braunops, Breizhops, Centauropyge, Chimaerastella, Coltraneia, Comura,