Pycnogonida

• All About Sea Spiders (Pycnogonida)  - Addresses classification, excretory and muscular systems, morphology, behavior, development, and lists of species.
• Animal Diversity Web Class Pycnogonida  - Provides information on characteristics and classification of this species. With photos and references.
• Australasian Arachnological Society Sea Spiders  - Provides information on identifying features and biology of these species. With photos and links.
• Biology Browser: Pycnogonida  - Presents links to online information about this class of animals also known as sea spiders.
• Guide to Seashore Life in Singapore Sea Spider  - Contains photos of these species. With background information.
• Harvard Department of Invertebrate Zoology Pycnogonida Collection  - Provides information about specimens in the safekeeping of this institution.
• Introduction to the Pycnogonida  - Presents basic information on this animal group. With links and photos.
• The Life History of Phoxichilidium tubulariae (Pycnogonida: Phoxichilidiidae)  - Contains an abstract and literature cited in article by Lovely, Eric C.
• Mikko's Phylogeny Archive Pycnogonida  - Contains a phylogenic diagram of this animal class. With references.
• Morphological Phylogenetics of the Sea Spiders (Arthropoda: Pycnogonida)  - Contains information on this article by C.P. Arango. With abstract and price guide.
• Overview of the Conservation of Australian Marine Invertebrates Pycnogonida  - Provides background information on sample species found in the area.
• Pycnogonida (Sea Spiders)  - Provides information on morphology and ecology of these species. With photos.
• Pycnogonida: Sea Spiders  - Presents overview, phylogeny, and list of orders linking for further details.
• Sea Slug Predators: Pycnogonids (Sea Spiders)  - Discusses the predatory qualities of this species. With photos.
• Sea Spider or Pycnogonida  - Provides information on body size, behavior and diet of these species. With photos.
• Sea Spiders Nymphon Gracile  - Contains basic information on this specie. With photos.
• Tree of Life Web Project Pycnogonida Sea Spiders Pantopoda  - Contains a taxonomic diagram of this animal class. With references.