Beschreibung:

NATURAL HISTORY - RHYNCHONELLA FOSSIL BRACHIOPOD Jurassic Period, 200 million years BP A finely preserved brachiopod Rhynchonella tetrahedra , with old Gregory, Bottley and Lloyd reference specimen label reading: '30, Lias. Rhynchonella tetrahedra. Leicestershire', in old white card tray. 10 grams including tray, 18mm (3/4"). Fine condition. [No Reserve] Provenance From a historic ‘Victorian Museum’ collection; from the stock of Gregory, Bottley & Lloyd (1981-2014); formerly with Gregory, Bottley & Co. (1932-1981) and previously with J. R. Gregory & Co. (1898-1932); originally in the collection of the famous James Reynolds Gregory (1858-1898). This item is part of a historic collection of fossils and minerals which has recently been reviewed by leading geological expert, Dr. Ronald Bonewitz. Footnotes The Lias Group or Lias is a lithostratigraphic unit (a sequence of rock strata) found in a large area of western Europe, including the British Isles.