22032 - Premium Grade 4.27 Inch Anetoceras sp Devonian Ammonite "Free Standing Preparation" Martian Its enamel color varies between

Its enamel color varies between different varieties

Prodontochile

Trypaulites

Turkey (2)

Both the larger olivine macrocrysts and smaller olivine microphenocrysts exhibit thin ferroan rims against the groundmass

22032 - Premium Grade 4.27 Inch Anetoceras sp Devonian Ammonite "Free Standing Preparation" Martian Its enamel color varies betweenAnetoceras sp, Schindewolf 1934 (ammonite) Cephalopoda Ammonoidea Mimosphinctidae Awesome specimen prepared as free standing. A preparation like this requires tens of hours and a lot of patience. Premium Grade specimen. Synonyms: Borivites Yatskov 1990 (no. 323317), Luofoceras Ruan 1996 (no. 323330), Teneroceras Chlupac and Turek 1983 (no. 323325) Parent taxon: Anetoceratinae according to D. Korn 2006 See also Arkell et al. 1957, Korn and Klug 2002