Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil natural pink crystal an extinct marine mollusc that

an extinct marine mollusc that thrived in Earth’s oceans during the Cretaceous period

Museum Display

a form of gypsum crystal also known as Satin Spur and in fine grain form Alabaster

It also supports emotional resilience and helps process stored energy in the solar plexus

giving each piece a one-of-a-kind appearance

Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil natural pink crystal an extinct marine mollusc thatA 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