. Maryland geological survey. PTERIDOPHYTA, CocKATNB, Boston. PLATE XL. PAGE Figs. 1, 2. Thinnfeldia grantjlata Fontaine 303 Type specimens from Dutch Gap, Virginia (after Fontaine). Fig. 3. Thinnfeldia kotundiloba Fontaine 305 Specimen from Fredericksburg, Virginia (after Fontaine). Figs. 4-7. Thinnfeldia Fontainei Berry 302 4. Specimen from 72-mile post, Virginia (after Fontaine). 5. Pinnule of same. X 2 (after Fontaine). 6. 7. Small distal fragments, White House Bluff, Virginia (after Fon- taine) . Figs. 8, 9. Thinnfeldia marylandica Fontaine 305 Type specimens from Arlington, Maryland (aft
. Maryland geological survey. PTERIDOPHYTA, CocKATNB, Boston. PLATE XL. PAGE Figs. 1, 2. Thinnfeldia grantjlata Fontaine 303 Type specimens from Dutch Gap, Virginia (after Fontaine). Fig. 3. Thinnfeldia kotundiloba Fontaine 305 Specimen from Fredericksburg, Virginia (after Fontaine). Figs. 4-7. Thinnfeldia Fontainei Berry 302 4. Specimen from 72-mile post, Virginia (after Fontaine). 5. Pinnule of same. X 2 (after Fontaine). 6. 7. Small distal fragments, White House Bluff, Virginia (after Fon- taine) . Figs. 8, 9. Thinnfeldia marylandica Fontaine 305 Type specimens from Arlington, Maryland (after Fontaine). 539 MARYLAND GEOLOGICAL SURVEY. LOWER CRETACEOUS, PLATE XL.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectpaleont, bookyear1901
