Contains information on this publication. With abstract.

Discusses habitation, diet, body structure and reproduction of this group. Includes links to related information and definition.

Provides information on this publication, entitled "Amazonian Arachnida & MyriapodaIdentification keys to all classes, orders, families,some genera and lists of known terrestrial species.".

Organization founded to promote the study of arachnids while fostering cooperation and understanding among amateur and professional arachnologists.

Provides information on the external features and internal systems of this group. With data on orders under this class.

Provides information on species in the Canadian National Collection of Insects, Arachnids and Nematodes. With list of publications and links.

Lists sample species and taxonomic classifications. With links to images.

Provides information on collected specimens. With overview.

Contains online links and information on the members of this phylum.

Contains photos and introductory information of animals from this group.

Contains teaching tools on this animal group. With photos.

An electronic version of this publication. With guide to pdf pages.

Reviews member species, physical characteristics, internal systems, behavior, reproduction, and images.

Contains an electronic version of this publication. By Reginald Innes Pocock.

Online guide to identifying spiders found in South-east Queensland.

Contains photos of sample species. With labeled body parts.

Lists scientific names of ticks. With data on common names and date of discovery.

Lists publications available for this animal group. With ordering guide.

Contains basic facts of this species. From a Guide to Seashore Life in Singapore.

Presents basic facts on these particular species. With photos.

Contains abstract of study by Geest, Leo P.S. van der, et al., with links to full text and PDF versions.

Offering extensive information on the phylogeny of pseudoscorpions.

Features a taxonomic profile of this animal group.

Contains photos of sample species.

Features a taxonomic diagram of this phylum. With photos and references.

Details contents of the Arachnology section of the National Museum in Rio, including links to additional information by taxon.