Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil Maw Sit Sit Healing Properties Organic freeform shapes

Organic freeform shapes

and restore balance to your environment

making each piece a highly desirable addition to any collector’s cabinet

each piece is unique in pattern and form

Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil Maw Sit Sit Healing Properties Organic freeform shapesA 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