This review is based on a computerised database that I have built up over the past few years
and is intended to provide a catalogue mainly for those palaeopalynologists whose …

The cacti are one of the most celebrated radiations of succulent plants. There has been
much speculation about their age, but progress in dating cactus origins has been hindered …

Plants have utterly transformed the planet, but testing hypotheses of causality requires a
reliable time‐scale for plant evolution. While clock methods have been extensively …

Abundant fossils of a single conifer species occur in a Pennsylvanian-age deposit of eastern
North America, providing the opportunity to describe a biological taxon of primitive conifers …

There have been at least ten English-language textbooks of palaeobotany since DH Scott
published the first edition of Studies inFossilBotany in 1900. Most have been written by …

Principles of phylogenetic analysis (cladistics) are introduced with an examination of
relationships among extant genera of Gnetales. The Gnetales can be supported as a …

We present a numerical cladistic (parsimony) analysis of seed plants plus progymnosperms,
using characters from all parts of the plant body, outgroup comparison, and a method of …

Abstract Hilton j.(School of Geography, Earth and Environmental Sciences, University of
Birmingham, Edgbaston, Birmingham, B15 2TT, UK) and rm Bateman (Natural History …

A data matrix of 123 binary and multistate characters of 63 genera of conifers was
constructed based on an extensive literature review and study of herbarium and living …

The combined processes of gene duplication, nucleotide substitution, domain duplication,
and intron/exon shuffling can generate a complex set of related genes that may differ …