Lower Jurassic Period, 199-175 million years BP. A small fossil crustacean in matrix displaying details of the dorsal and ventral fins and the tail. 154 grams, 10.7cm (4 1/4"). Property of a Surrey lady; previously in the private collection of Patrick Phillips, Weybridge, Surrey, UK; the collection formed since the early 1970s; thence by descent 2019. [No Reserve]