Species of the Cretaceous tree fern Tempskya from Utah - 1992
Upper Cretaceous Zingiberalean fruits with in situ seeds from Southeastern Coahuila, Mexico - 1994
A reinvestigation of Stenomyelon from the late Tournaisian of Scotland - 1995
Gleichenia chaloneri-a New Fossil Fern from the Lower Cretaceous (Albian) of England - 1998
A new genus of Coryloideae (Betulaceae) from the Paleocene of North America - 1998
New genus of fossil Fagaceae from the Santonian (Late Cretaceous) of central Georgia, U.S.A - 1998
A New Iridopteridalean from the Devonian of Venezuela - 2000
Seed size and dispersal systems of Early Cretaceous angiosperms from Famalicao, Portugal - 2000
Marsileaceae sporocarps and spores from the Late Cretaceous of Georgia - 2000
A new species of Millerocaulis (Osmundaceae) from the Lower Cretaceous of California - 2000
Cretaceous Widdringtonia Endl. (Cupressaceae) from North America - 2001
Permineralized pine cones from the Cretaceous of Vancouver Island, British Columbia - 2002
Morphology and wall ultrastructure in Devonian spores with bifurcate-tipped processes - 2002
Palmately Lobed Proteaceae Leaf Fossils from the Middle Eocene of South Australia - 2006
Eusporangiate ferns from the Dakota Formation, Minnnesota, USA - 2006
Casuarinaceae from the Eocene of Patagonia, Argentina - 2006
A Toothed Lauraceae Leaf from the Early Eocene of Tasmania, Australia - 2007
Coniferous ovulate cones from the Lower Cretaceous of Santa Cruz Province, Argentina - 2008
Potamogetonaceae Fossil Fruits from the Tertiary of Patagonia, Argentina - 2009
Libocedrus Macrofossils from Tasmania (Australia) - 2009
Czekanowskia from the Jurassic of Inner Mongolia, China - 2009