Asteroceras confusum an Promicroceras planicosta on matrix

Asteroceras confusum with Promicroceras planicosta on matrix
Asteroceras confusum an Promicroceras planicosta on matrix
Excl. Tax: £15.00 Incl. Tax: £18.00

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Species Name: Asteroceras confusum & Promicroceras planicosta

Family: Ammonite

Age: Jurassic, Lower Lias

Location: Charmouth, Dorset
Description

Details

Asteroceras confusum & Promicroceras planicosta ammonite specimens attached to matrix collected from the Jurassic, Lower Lias rocks of Charmouth, Dorset. The Asteroceras specimen measures 4 cm in diameter; its shell has been partially agatised and it exhibits prominent, sharp ribs with a well pronounced keel. Promicroceras in an extinct genus of ammonite which can be found in European Upper Sinemurian marine strata; it is particular abundant within the Jurassic marine rocks of Southwest England. This Promicroceras specimen measures 1 cm in diameter; it exhibits an evolute, strongly ribbed shell which has been completely agatised. Supplied in a small plastic bag with an information label.
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