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  • Influence
Abstract Throughout Earth history a small number of global catastrophic events leading to biotic crises have caused mass extinctions. Here, using a technique that combines taxonomic and numericalExpand
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Fossil spiders
  • P. Selden, D. Penney
  • Medicine
  • Biological reviews of the Cambridge Philosophical…
  • 1 February 2010
Over the last three decades, the fossil record of spiders has increased from being previously biased towards Tertiary ambers and a few dubious earlier records, to one which reveals a much greaterExpand
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Oldest true orb-weaving spider (Araneae: Araneidae)
The aerial orb web woven by spiders of the family Araneidae typifies these organisms to laypersons and scientists alike. Here we describe the oldest fossil species of this family, which is preservedExpand
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First fossil Huttoniidae (Arthropoda: Chelicerata: Araneae) in late Cretaceous Canadian amber
The first fossils of the extant New Zealand spider family Huttoniidae are described from Cretaceous (Campanian) amber from Alberta and Manitoba, Canada. The specimens are juveniles and poorlyExpand
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Studies on the endocrine control of metabolism in Leucophaea maderae (Blattaria): I. The hemolymph proteins during egg maturation
Abstract During egg maturation, particularly in its later phase, the blood protein concentration dropped to approximately half the original level. In the course of pregnancy it slowly rose again. AExpand
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Portal Vein Thrombosis: An Unusual Complication of Laparoscopic Cholecystectomy
Background: Complications following laparoscopic cholecystectomy are encountered infrequently due to increasing proficiency in laparoscopic surgery. The occurrence of portal venous thrombosisExpand
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Genetic variation in a tropical tree species influences the associated epiphytic plant and invertebrate communities in a complex forest ecosystem
Genetic differences among tree species, their hybrids and within tree species are known to influence associated ecological communities and ecosystem processes in areas of limited species diversity.Expand
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Anaerobic glycolysis and lactic acid accumulation in cold submergedRana pipiens
SummaryWinter frogs acclimated to 5 °C for 2–8 weeks were submerged in deoxygenated water at 5 °C.2.Under these anoxic conditions survival time as judged by persistence of cardiac activity was inExpand
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Ancient Ephemeroptera–Collembola Symbiosis Fossilized in Amber Predicts Contemporary Phoretic Associations
X-ray computed tomography is used to identify a unique example of fossilized phoresy in 16 million-year-old Miocene Dominican amber involving a springtail being transported by a mayfly. It representsExpand
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Summary statistics for fossil spider species taxonomy
Abstract Spiders (Araneae) are one of the most species-rich orders on Earth today, and also have one of the longest geological records of any terrestrial animal groups, as demonstrated by theirExpand
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