Steven R. Manchester
YOU?
Author Swipe
View article: <i>Carya nux‐taurinensis</i> comb. nov., a fossil‐species incorporating <i>Carya globosa</i> (Juglandaceae)
<i>Carya nux‐taurinensis</i> comb. nov., a fossil‐species incorporating <i>Carya globosa</i> (Juglandaceae) Open
The type material of the almost forgotten fossil‐species Juglans nux‐taurinensis is newly analysed, a lectotype is designated, and new conspecific material detected at the Italian type locality La Morra is described. We show that Juglans n…
View article: Seed fossil record of Solanaceae revisited
Seed fossil record of Solanaceae revisited Open
The fossil record for Solanaceae has a complex taxonomic history, with many species originally described in the family being subsequently shown to belong in other plant families. In this work, we present an in-depth analysis of the nightsh…
View article: Revision of the fossil flower genus Sahnianthus Shukla (Myrtales) from the latest Cretaceous Deccan Intertrappean Beds of India
Revision of the fossil flower genus Sahnianthus Shukla (Myrtales) from the latest Cretaceous Deccan Intertrappean Beds of India Open
Interbeds of the Deccan traps, ~66 million years old, have long been known to contain cherts with anatomically preserved flowers, fruits and seeds. We studied numerous specimens of Sahnianthus, the iconic flower of Deccan Intertrappean che…
View article: Late Eocene woods from central Oregon, western USA
Late Eocene woods from central Oregon, western USA Open
Brummer Spring is one of several late Eocene wood localities near the town of Post, Oregon, western USA. This locality includes four conifer wood types (one Pinus and three probable Cupressaceae) and 16 angiosperm woods, 13 of which can be…
View article: Fossil seeds of Sideroxylon L. (Sapotaceae) from the Neogene of Europe and their relationships to extant species in Macaronesia and West Asia
Fossil seeds of Sideroxylon L. (Sapotaceae) from the Neogene of Europe and their relationships to extant species in Macaronesia and West Asia Open
Sideroxylon mascatense is a shrub or small tree of the high mountains of western Asia and is sister to S. spinosum L. of NW Africa, the latter being the source plant of the famous Argan Oil. Based on distinctive features of seed morphology…
View article: Fossil leaves, fruits and seeds of the Late Eocene Teater Road flora near Post, Oregon, USA
Fossil leaves, fruits and seeds of the Late Eocene Teater Road flora near Post, Oregon, USA Open
The Teater Road flora, from a small outcrop of lacustrine shale exposed in Late Eocene sediments of the John Day Formation near Post, Oregon, USA, is presented based on abundant, well-preserved leaf and fruit impressions. We recognize 48 g…
View article: Remberella, a new genus of extinct ericalean flower from the Middle Miocene Latah flora of Washington and Idaho, USA
Remberella, a new genus of extinct ericalean flower from the Middle Miocene Latah flora of Washington and Idaho, USA Open
Small pentamerous floral remains commonly encountered in Middle Miocene lake deposits of the Latah Formation of Washington and Idaho, USA, previously assigned to Diospyros, are here shown to represent an extinct genus. Newly recovered spec…
View article: Tufted wind-dispersed fagalean fruits, Pogonokarydion gen. nov., from the Upper Eocene Florissant Formation of Colorado, USA
Tufted wind-dispersed fagalean fruits, Pogonokarydion gen. nov., from the Upper Eocene Florissant Formation of Colorado, USA Open
Wind-dispersed comose fruits from the Late Eocene of Florissant, Colorado, USA, are recognized as a new genus of fagalean affinity. Pogonokarydion crassulum (Cockerell) gen. et comb. nov. disseminules consist of an ellipsoidal to circular …
View article: Palynology of the uppermost Cretaceous to lowermost Paleocene Deccan volcanic associated sediments of the Mandla Lobe, central India
Palynology of the uppermost Cretaceous to lowermost Paleocene Deccan volcanic associated sediments of the Mandla Lobe, central India Open
A palynological study of the uppermost Cretaceous–lowermost Paleocene sequences of the Deccan volcanic province in the Mandla Lobe of central India was carried out to understand floral diversity, palaeoecology and palaeoclimate during Decc…
View article: Illigera Fruits (Hernandiaceae) from the Miocene of Alum Bluff, Northwestern Florida
Illigera Fruits (Hernandiaceae) from the Miocene of Alum Bluff, Northwestern Florida Open
View article: Morphology and affinities of Carya costata hickory nuts from the Oligocene of Bohemia
Morphology and affinities of Carya costata hickory nuts from the Oligocene of Bohemia Open
We reinvestigated type material and subsequently collected fossil nuts of Carya costata (C.Presl ex Unger) Unger based on type material from the Oligocene of western Bohemia. These specimens are older than most occurrences of C. ventricosa…
View article: Fruits of Sabia (Sabiaceae) from the Miocene of western North America and their biogeographic significance
Fruits of Sabia (Sabiaceae) from the Miocene of western North America and their biogeographic significance Open
Distinctive, reticulately sculptured ellipsoidal endocarp impressions have been discovered in Middle Miocene lake deposits of Idaho and eastern Oregon in the northwestern USA. We describe a new species based on these endocarp impressions a…
View article: A late Eocene wood assemblage from the Crooked River Basin, Oregon, USA
A late Eocene wood assemblage from the Crooked River Basin, Oregon, USA Open
Wheeler, Elisabeth A., Manchester, Steven R., Baas, Pieter (2023): A late Eocene wood assemblage from the Crooked River Basin, Oregon, USA. PaleoBios 40 (14): 1-55, DOI: 10.5070/P9401462457, URL: http://dx.doi.org/10.5070/p9401462457
View article: First recognition of the extinct eudicot genus <i>Palibinia</i> in North America: Leaves and fruits of <i>Palibinia comptonifolia</i> (R.W.Br.) comb. nov. from the Eocene of Utah and Colorado, USA
First recognition of the extinct eudicot genus <i>Palibinia</i> in North America: Leaves and fruits of <i>Palibinia comptonifolia</i> (R.W.Br.) comb. nov. from the Eocene of Utah and Colorado, USA Open
Newly investigated leafy twigs bearing axillary fruits from the Eocene Parachute Creek Member of the Green River Formation in eastern Utah, USA, have provided more information on the species previously attributed to the Proteaceae as Banks…
View article: Spatial phylogenetics of Fagales: Investigating the history of temperate forests
Spatial phylogenetics of Fagales: Investigating the history of temperate forests Open
Aim Quantifying the phylogenetic diversity of temperate trees is essential for understanding what processes are implicated in shaping the modern distribution of temperate broadleaf forest and other major forest biomes. Here we focus on Fag…
View article: Fagalean phylogeny in a nutshell: Chronicling the diversification history of Fagales
Fagalean phylogeny in a nutshell: Chronicling the diversification history of Fagales Open
Reconstructing the biogeographical history and timing of the diversification of temperate forests is essential for understanding their history and resolving uncertainties about how flowering plants emerged from their deep tropical origins …
View article: Fruits of Anacardiaceae from the Paleogene of the Paris Basin, France
Fruits of Anacardiaceae from the Paleogene of the Paris Basin, France Open
Premise of research. The Anacardiaceae family is distributed throughout the vegetated continents. The fossil record indicates extensive diversification of the family during the Paleogene and, in particular, during the Eocene. Despite the a…
View article: The early Eocene flora of Horsefly, British Columbia, Canada and its phytogeographic significance
The early Eocene flora of Horsefly, British Columbia, Canada and its phytogeographic significance Open
About forty species, including a bryophyte, ferns, conifers, Ginkgo, and over 35 angiosperms, are recognized based on compression-impression remains from the early Eocene of Horsefly, British Colombia, Canada. This flora is in the north ce…
View article: The Paleocene Horse Creek florule, Tongue River Member of the Fort Union Formation, southeastern Montana, USA
The Paleocene Horse Creek florule, Tongue River Member of the Fort Union Formation, southeastern Montana, USA Open
We investigated leaf, cone and fruit impressions preserved in a siltstone deposit between coal seams in the late Paleocene Tongue River Member near Otter, southeast Montana, to assess the floristic diversity and composition. We document th…
View article: Diverse fruits and seeds of the mid-Eocene Kishenehn Formation, northwestern Montana, USA, and their implications for biogeography
Diverse fruits and seeds of the mid-Eocene Kishenehn Formation, northwestern Montana, USA, and their implications for biogeography Open
Lacustrine shales of the Kishenehn Formation of northwestern Montana provide an important window to the local mid-Eocene (Lutetian) ecosystem including evidence from insects, molluscs, vertebrates and plants. However, little has been publi…
View article: Revisions to the Eocene carpoflora of Anjou, western France, with new data from X-ray tomography
Revisions to the Eocene carpoflora of Anjou, western France, with new data from X-ray tomography Open
Selected fruits and seeds preserved as molds and casts in sediments from the Anjou flora of Maine-et-Loire have been reexamined with the aid of X-ray tomography. Virtual casts and surface renderings from micro-CT scanning data reveal exter…
View article: Loxopteroides weeksae gen. et sp. nov. (Anacardiaceae) samaras and associated foliage from the Eocene of western North America
Loxopteroides weeksae gen. et sp. nov. (Anacardiaceae) samaras and associated foliage from the Eocene of western North America Open
An extinct kind of winged fruit found at several Eocene sites in California and Oregon, western USA, occurs in association with pinnately compound anacardiaceous leaves that have been called Rhus mixta. The samaras were previously treated …
View article: A diverse assemblage of Late Eocene woods from Oregon, western USA
A diverse assemblage of Late Eocene woods from Oregon, western USA Open
Well-preserved silicified woods from a site near the town of Post, Oregon, western USA, provide insights into the late Eocene vegetation and climate ca. 36 million years and data for comparing with both older and younger wood floras region…
View article: The early middle Eocene Wagon Bed carpoflora of central Wyoming, U.S.A.
The early middle Eocene Wagon Bed carpoflora of central Wyoming, U.S.A. Open
The early middle Eocene Wagon Bed fruit and seed flora of central Wyoming encompasses nine morphotypes that are assignable to extant genera (Alangium, Aphanathe, Canarium, Carya, Celtis, Iodes, Mastixia, Nyssa, Pleiogynium), four that are …
View article: Mastixioid fruits (Cornales) from the early Eocene London Clay Flora: morphology, anatomy and nomenclatural revision
Mastixioid fruits (Cornales) from the early Eocene London Clay Flora: morphology, anatomy and nomenclatural revision Open
Following on the seminal works of Reid and Chandler in 1933 and Chandler in 1961, morphology and anatomy of fossil mastixioid fruits from the early Eocene London Clay of southern England were reanalyzed with the benefit of new methods in c…
View article: Angiosperm affinities of Surangea from the late Cretaceous Deccan Intertrappean Beds of central India
Angiosperm affinities of Surangea from the late Cretaceous Deccan Intertrappean Beds of central India Open
The genus Surangea Chitaley et Sheikh, based on permineralized specimens from the Deccan Intertrappean Beds of central India, was originally considered to represent a fern megasporangium. Reexamination of original material and new specimen…
View article: The mid-Paleocene fruit and seed flora from the Fort Union Formation of Newell’s Nook, southeastern Montana, USA
The mid-Paleocene fruit and seed flora from the Fort Union Formation of Newell’s Nook, southeastern Montana, USA Open
The middle Paleocene Newell’s Nook biota of the Tongue River Member of the Fort Union Formation, southeastern Montana, is best known for its early Tiffanian mammalian fauna. Here, we describe an informative fruit and seed assemblage from t…
View article: Two-seeded cones of probable gnetalean affinity from the Morrison Formation (Late Jurassic) of Utah and Colorado, USA
Two-seeded cones of probable gnetalean affinity from the Morrison Formation (Late Jurassic) of Utah and Colorado, USA Open
Three dimensional calcitic casts of a two-seeded compound cone are described from the Upper Jurassic Brushy Basin Member of the Morrison Formation based on specimens from Colorado and Utah. Cones of Bassitheca hoodiorum gen. et sp. nov. ar…
View article: Typification of the genus Zizyphoides Seward et Conway (Magnoliophyta, Trochodendraceae)
Typification of the genus Zizyphoides Seward et Conway (Magnoliophyta, Trochodendraceae) Open
Type material of Paliurus colombii Heer, Populus arctica Heer, Hakea arctica Heer, and Hedera macclurii Heer from the Atanikerdluk locality (Paleocene, Greenland) was restudied based on the original collection, stored in the National Museu…
View article: <i>Symplocos</i>Fruits from the Pliocene of Colombia
<i>Symplocos</i>Fruits from the Pliocene of Colombia Open
— Fossil fruits of Symplocos (Ericales: Symplocaceae) are here recognized from the Pliocene of Guasca, Colombia, based on specimens formerly attributed to Cordia (Cordiaceae, Boraginales). Symplocos vera (Berry) comb. nov. is represented b…