they create a dynamic synergy that supports energetic vitality

offering grounding

helping to release generational patterns while inviting clarity and renewal

even when the road ahead feels uncertain

Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil rock collection case they create a dynamic synergyA 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