C0035 Calamites cistii
BOTH HALVES SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. SPECIMEN 123mm X 9mm (4-7/8" x 3/8"), AVERAGE. INTERNODAL LENGTH 76mm (3"). SMALL PORTION NEAR TIP OF CONVEX HALF GLUED. YELLOW DEXTRIN APPLIED TO SPECIMEN.
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Photo by Mark Kmiecik
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