Beschreibung:

NATURAL HISTORY - CALYMENE FOSSIL TRILOBITE GROUP Ordovician Period, 460 million years BP A group of three Calymene sp. fossil trilobites, two in the defensive curling posture, from the Gregory, Bottley and Lloyd collection, in old white card tray. 278 grams total including tray, 46-65mm (1 3/4 - 2 1/2"). Fine condition. [3, 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.