Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil Morocco and deep red patterns —

and deep red patterns — sometimes with spots of black hornblende inclusions

calm and connected — especially during times of emotional or physical recovery

this collection is ideal for beginners

with step-like

Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil Morocco and deep red patterns —A 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