L15-1: Cycadeoidea from Texas, L. Cretaceous.
L15-2: Cycadeoidea from Utah, Cretaceous.
L15-3: Cycadeoidea from the L. Cretaceous. Specimen polished, tangential section of stem.
L15-5: Cycadeoidea, tangential section. Note ovulate receptacles with surrounding bract.
L15-6: Cycadeoidea (l.s. of flowers) from N.A. L. Cretaceous. Note ovulate receptacle and surrounding bracts.
L15-9: ucklandia indica from Rajmahal Hills, India. U. Jurassic. Note the spirally arranged leaf bases.
L15-10: Williamsonia type flowers.
Ovuliferous receptacles compressed and showing position of ovules. From Mexico. Age Jurassic.
L15-11: Williamsonia-type flowers.
Ovuliferous receptacles compressed and showing position of ovules. From Mexico. Age Jurassic.
L15-11: Williamsonia-type flowers.
Ovuliferous receptacles compressed and showing position of ovules. From Mexico. Age Jurassic.
L15-12: Ptilophyllum.
From India. Age Jurassic.
L15-12: Ptilophyllum.
From India. Age Jurassic.
L15-13: Ptilophyllum acutifolium.
Leaf type of Williamsonia. From Rajmahal Hills, India. Age U.Jurassic.
L15-14: Ptilophyllum(smaller) & Pterophyllum (larger).
Leaf type associated with Williamsonia remains. From Rajmahal Hills, India. Age U. Jurassic.
L15-14: Ptilophyllum(smaller) & Pterophyllum (larger).
Leaf type associated with Williamsonia remains. From Rajmahal Hills, India. Age U. Jurassic.
L15-15: Zamites type.
Age Cretaceous.
L15-16: Otozamites.
Foliage of the Cycadeoid-type stem. From Mexico. Age Jurassic.
L15-45: Otozamites hespera.
From Mexico. Age Jurassic.
L15-46: Williamsonia recentior.
From Mill Creek, AB. Crowsnest Fm. Age L. Cretaceous.
L15-47: Williamsonia recentior.
From Mill Creek, AB. Crowsnest Fm. Age L. Cretaceous.
L15-48: Williamsonia recentior.
From Mill Creek, AB. Crowsnest Fm. Age L. Cretaceous.
L15-49: Williamsonia recentior.
From Mill Creek, AB. Crowsnest Fm. Age L. Cretaceous.
L15-17: Cladophlebis sp.
Specimen from drill core. From NW Territories. Age U. Jurassic.
L15-17: Cladophlebis sp.
Specimen from drill core. From NW Territories. Age U. Jurassic.
L15-18: Pseudocycas.
From Pin Creek, BC. Age LU. Cretaceous.
L15-19: Nilssonia.
Nilssonia foliage, Equisetum ? Tubers and rhizoms. From Drumheller, AB. Age U.Cretaceous.
L15-20: Nilssonia.
From Drumheller, AB. Age U.Cretaceous.
L15-22: Nilssonia.
From Drumheller, AB. Age U.Cretaceous.
L15-23: Nilssonia.
From Drumheller, AB. Age U.Cretaceous.
L15-24: Nilssonia
L15-25: Sphenobaiera-type foliage.
From Pine River, B.C. Age LU.Cretaceous.
L15-26: Ginkgo leaves.
From Horseshoe Canyon. Age U.Cretaceous.
L15-27: Ginkgo sp.
From Drumheller, AB. Horseshoe Canyon Formation. Age U.Cretaceous.
L15-29: Cyclocarya brownii + Gingko.
Am.J.Bot. 1982 Manchester & Dilcher. Age U.Paleocene.
L15-30: Ginkgo sibirica.
From Rosebury Topping, UK. Age Jurassic.
L15-31: Ginkgo leaf.
From N.Dakota. Age U.Paleocene.
L15-32: Ginkgo leaf.
From N.Dakota. Age U.Paleocene.
L15-33: Ginkgo.
From Smoky Tower, AB. Paskapoo Fm. Age Paleocene.
L15-35: Ginkgo.
From Republic, WA. Klonkike Mtn.Fm. Age Eocene.
L15-36: Ginkgoites sp.
From Princeton, B.C. Allenby Fm. Age M.Eocene.
L15-37: Ginkgoites sp.
From Princeton, B.C. Allenby Fm. Age M.Eocene.
L15-38: Ginkgo adiantoides.
Partial leave. From Joffre Bridge. Age Paleocene.
L15-39: Ginkgo seed.
From N.Dakota. Age U. Paleocene.
L15-40: Ginkgo seed.
From Drumheller, AB. Age U. Cretaceous.
L5-41: Pentoxylon.
Slide + specimen, note: 5 vascular segments and leaf traves. From India. Age U. Jurassic.
L5-42: Pentoxylon.
From India. Age U. Jurassic.
L15-43: Nipaniophyllum.
From India. Age U. Jurassic.
L15-44: Carnoconites.
From India. Age U. Jurassic.
L15-51: Ginkgo.
From McAbee site. Age M. Eocene.
L15-53: Ginkgo leaves.
From Drumheller, AB. Horseshoe Canyon Formation. Age U. Cretaceous.