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Flora and Fauna

• 861
• Cephalodiscus and Classification of Cephalodiscoidea
• List of species and genera of recent and fossil cephalodiscid pterobranchs.

• 862
• Cephalodiscus densus Andersson, 1907 (Hemichordata, Graptolithoidea).
• Zooid and coenecium morphology of a cephalodiscid pterobranch from Terra Nova Bay, Ross Sea.

• 863
• Cephalodiscus gracilis
• Photos of a colony and individuals.

• 864
• Cephalodiscus graptolitoides Dilly, 1993.
• This species, a probable extant graptolite (according to some researchers), is regarded as a living fossil.

• 865
• Class Pterobranchia
• General information.

• 866
• First Occurrence of Rhabdopleura in North America
• First fossil representatives of Rhabdopleura (Graptolithoidea: Rhabdopleuroidea) in North America are reported.

• 867
• Pterobranchia
• Information from Wikipedia on these worm-shaped animals.

• 868
• The Oldest Known Cephalodiscus-like Hemichordate
• Eocephalodiscus polonicus Kozlowski from the upper Tremadocian of Poland: pictures of the holotype, links.

• 869
• Amami Takachiho Snake: Achalinus werneri
• Photographs and information from ARKive on this species endemic to the Ryukyu Archipelago, Japan.

• 870
• An Introduction to Corn Snakes
• A gallery of images, including photographs of snakes shedding their skins, feeding and laying eggs. Includes a forum for answering questions.

• 871
• Antiguan Racer: Alsophis antiguae
• Videos, photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation.

• 872
• Brown Tree Snake
• Identification, ecology, and control of the invasive species Boiga irregularis.

• 873
• Corn Snake Pictures and Facts
• A look at corn snake biology, history and habits with many photographs.

• 874
• Drymarchon couperi
• Taxonomy, description and photograph of the eastern indigo snake, its habitat and distribution, life history, community ecology and special status.

• 875
• Life History of the Gray-Banded Kingsnake
• Thesis written by Dennie Miller in 1979 about the biology of Lampropeltis mexicana alterna in Texas.

• 876
• Nerodia clarkii
• Taxonomy, description and photographs of the salt marsh snake, its habitat and distribution, life history, community ecology and special status.

• 877
• Nerodia sipedon
• Student project on the northern banded water snake including classification, habitat, adaptation, nutrition, reproduction and interactions with other species.

• 878
• Ranawana’s Golden Cat Snake: Boiga ranawanei
• Photographs and information from ARKive on this species endemic to Sri Lanka.

• 879
• Smooth Snake: Coronella austriaca
• Photographs, videos and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation.

• 880
• Water Snake
• Water snakes in the genus Nerodia are non-venomous colubrid snakes found in North America. Includes details of the species, pictures, videos and references.