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Hypacrosaurus appears to have relied on numbers
enabling efficient filter feeding on plankton and suspended organic particles
the larval stage can last from several months to multiple years
and between two and eight zooids (individual colony members) inhabit each fenestule
Chabazite is a fascinating zeolite mineral composed of hydrous calcium
1.1" Detailed Persea Coriacea Fossil Plant Leaf Eocene Age Green River FM Utah Hypacrosaurus Hypacrosaurus appears to have reliedLocation: Green River Formation, Uintah County, Utah Weight: 5. 1 Ounces Dimensions: 2. 9 Inches Long, 2. 3 Inches Wide, 1. 1 Inches Thick (Plate) Leaf Dimensions: 1. 1 Inches Long, 0. 3 Inches Wide The item pictured is the one you will receive. Eocene Age 54 million years ago Persea coriacea Leaf This beautifully preserved Persea coriacea fossil leaf originates from the early Middle Eocene shales of the Green River Formation, spanning Utah, Colorado,