Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil EMF protection sphere resilience and inner strength

resilience and inner strength

Petrified Wood offers a warm

They are index fossils

Taurus – Encourages grounding

Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil EMF protection sphere resilience and inner strengthA 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