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

Oregon–Idaho

balance emotions

Pisces – Supported by Lodolite and Lithium Quartz

It connects you to your inner divinity and encourages the integration of polarities — light and shadow

helping you access spiritual insights and inner wisdom

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