Herrin Fossil Flora
Filicopsida - Ferns
Pinnae 1
Lobatopteris tenuinervis
M.Angkuw
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Lobatopteris tenuinervis, (Page 4, Fig. 3. Herrin Roof Shale Flora field guides, ESCONI/Wittry). - A.Young
A.Young
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A.Young
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Detail of left specimen. - A.Young
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A.Young
Showing terminal foliage. - A.Young
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M.Angkuw
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A.Young
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A.Young
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A.Young
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Lobatopteris tenuinervis, (Page 4, Fig. 2. Herrin Roof Shale Flora field guides, ESCONI/Wittry). - A.Young
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Lobatopteris tenuinervis. - D. Quasny
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M.Angkuw
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A.Young
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A.Young
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A.Young
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E.Gentry
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A.Young
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A.Young
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M.Angkuw
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A.Young
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Carbon impressions in unbaked shale. - R.Holm
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M.Angkuw
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Lobatopteris tenuinervis. - A.Young
Lobatopteris tenuinervis in a concretion. - C.Puritz
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E.Gentry
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Lobatopteris tenuinervis. - L.Sunderlin
D.Carlson
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S.Buss
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S.Buss
Above and below: Lobatopteris tenuinervis - L.Bersch
Lobatopteris tenuinervis in a siderite concretion - J.Zimmerman (positive and negative halves)
Lobatopteris tenuinervis, an immature pinna - D.Carlson