| Alfred Correya's Baltic amber collection | Photos of spiders and mites in amber by Neil Clark (UK) | 6/5/05 |
| Amber - Stone Live | Spiders and Insects in Baltic amber. Andrzej Górski (in English and Polish) (Poland) | 12/7/03 |
| Amber inclusions | Pictures of a spider, an opilionid and a mite in amber. Universität Bremen (Germany) | 12/7/03 |
| Amberica west on-line | Photos of pseudoscorpions, scorpions, spiders in amber for sale. | 6/5/05 |
| Ancient Arachnids May Have Spun Silk | by Cary R. Easterday (USA) | 6/5/05 |
| Arachnid Fossils | Arachnid in amber for sale. | 6/5/05 |
| Arthropod Palaeobiology Research Group | Department of Earth Sciences, University of Manchester (UK) | 12/7/03 |
| Dunlop Jason A. -- Arachnid Origins and Evolution | Jason A. Dunlop. Institute für Systematische Zoologie, Museum für Naturkunde, Berlin (Germany) | 12/7/03 |
| Edderkoppdyr | With information and pictures of fossil arachnids. Paleontologisk Museum, Oslo (in Norwegian) (Norway) | 12/7/03 |
| Fossil Mall | About Arachnid Fossils | 6/5/05 |
| Fossil Record of the Cheliceramorpha | UC Museum of Paleontology (USA) | 12/7/03 |
| Inclusions in Baltic amber | Pictures. Janusz Kupryjanowicz. Institute of Biology. University of Bialystok (Poland) | 12/7/03 |
| Introduction to the Trigonotarbida and their Allies | UC Museum of Paleontology (USA) | 11/29/04 |
| Little animals in the Coal Swamp | With pictures and info of Maiocercus celticus a Trigonotarbida. Hans Steur (The Netherlands) | 12/7/03 |
| Mesozoic Arachnids | Research project to document Mesozoic arachnid diversity, particularly spiders, through the production of a dataset of records and preparation of systematic descriptions. Dr. Paul A. Selden and Dr. David Penney (UK) | 6/5/05 |
| Orthotarbus robustus | Architarbus. Illinois State Museum (USA) | 12/7/03 |
| Palaeocharinids, the Ancestors of spiders? | Jason Dunlop. Article on the site of The Spider Club of Southern Africa (South Africa) | 12/7/03 |
| Paleo-entomologi eller insektenes forhistorie | With a drawing of fossil arachnid (Eophrynus presviei). Jan Stenlokk. (in Norwegian) (Norway) | 12/7/03 |
| Pleophrynus ensifer | Trigonotarbid. Illinois State Museum (USA) | 12/7/03 |
| Prehistoric Spiders | Some examples of amber (fossilised tree sap) that have insects and spiders trapped in them. Nick Loven (UK) | 12/7/03 |
| Systematic Catalogue of Fossil Spiders | In preparation. | 6/5/05 |
| Terrestrial Invertebrates at Red Hill | Three types of arthropod invertebrates have been recovered from Red Hill: an unidentified trigonotarbid, two scorpions and arthropod fragments which may belong to the Myriapoda. Dennis Murphy. Devonian Times (USA) | 12/7/03 |
| The Rhynie Chert and its Flora - X. Faunal Remains | With a picture of a Trigonotarbid and the oldest known mite. Forschungsstelle für Paläobotanik, Westfälische Wilhelms-Universität Münster (Germany) | 12/7/03 |
| The Rhynie Chert Fauna | Fossil arthropods, with Trigonotarbid arachnids and mites. Trigonotarbids are an extinct order of terrestrial arachnids related to modern day spiders. The Rhynie Chert Fauna. Univ. of Aberdeen (UK) | 12/7/03 |
| Trigonotarbida and their Allies | UC Museum of Paleontology (USA) | 12/7/03 |
| Una ojeada al pasado | A glance to the past. Information. Anita Hoffmann. Instituto Latinoamericano de la Comunicacion Educativa (in Spanish) (Mexico) | 12/7/03 |