Promicroceras Planicosta (Reynès, 1879) – Calcite Ammonite Fossil Bay of Bengal moonstone Oregon–Idaho

Oregon–Idaho

this unique piece is both functional and deeply symbolic

Inspired by the work of Dr

balance emotions

boutique display

Promicroceras Planicosta (Reynès, 1879) – Calcite Ammonite Fossil Bay of Bengal moonstone Oregon–IdahoA beautifully preserved specimen of Promicroceras planicosta, fully replaced by calcite. This ammonite displays fine ribbing and its characteristic planispiral coiling. As a key index fossil of the Lower Jurassic Sinemurian, Promicroceras is highly significant for ammonite biostratigraphy in the UK. An excellent choice for collectors, researchers, or curated display. Stratigraphic Context Lower Lias Group, Obtusum Zone Chronostratigraphy Lower