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Silver wedding earrings from northern India; upon the woman's death, these earrings were often broken apart, and the silver components were distributed among the woman's children; early 20th century

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pwlanier

FOSSIL PALM FROND WITH FISH

GREEN RIVER FORMATION, WYOMING, EARLY EOCINE, 50 MILLION YEARS B.P.

The present specimen was excavated from the Green River Formation, located predominantly in present day Wyoming. Today, the landscape is dry and windswept, with open plains and sparse vegetation stretching across an exposed terrain of layered limestone and shale that records ancient lake environments.

However, during the early Eocene, around 50 million years ago, this region was not arid but subtropical, with broad freshwater lakes surrounded by lush vegetation. The climate was warm and humid, supporting crocodiles, early mammals, insects, fish and dense forests along the lake margins, including palms such as Sabalites, whose fronds are preserved in exceptional detail within the fine sediments, contributing to a serene depiction of this ancient environment.

The lakes themselves teemed with life. Schooling fish such as Knightia eocaena, among the most abundant species in the formation, moved in vast numbers through the water, while larger predatory fish such as Diplomystus dentatus occupied a higher position in the food chain. Specimens preserving both flora and fauna together offer a rare glimpse into this balanced ecosystem, capturing a serene depiction of an ancient lakeside scene.

Lyon and Turnbull