Plate LI Fossil Shells Gryphaea Vesicularis.jpg
Joseph A. Taff (USGS)
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Plate LI Fossil Shells Gryphaea Vesicularis, Fossils from the Saratoga Chalk, Pycnodonte vesicularis
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Plate LI Fossil Shells Gryphaea Vesicularis, ''Original Caption:'' Fossil shells, ''Gryphaea vesicularis'', from the base of the Saratoga Chalk-Marl.  '''1''', Outside view of large valve; '''1a''', inside view of large valve.  Natural size.
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ja
プレート LI 化石 Shells Gryphaea Vesicularis,サラトガの化石 殻、ピクノドンテ 膜
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プレート LI化石シェル 粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒粒自然の大きさ。
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fossilization fossilized fossil