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Counts of New and Changed Names Reported in Zoological Record Indicates trends in assigning names to new animals by taxonomists.

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The Index to Organism Names project uses name data from the resources of BIOSIS and other collaborating organizations.

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Nomenclatural Glossary for Zoology
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Guide to the Animal Kingdom for Students & Educators
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Home > Organism > Animalia > Porifera > Calcarea

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Polejaeff, N. 1883. Report on the Calcarea dredged by H.M.S. Challenger during the years 1873-76. - pp. 1-73, Pl. I-IX (= 1-9), in: Thomson, C. W. & Murray, J.: Report of the scientific results of the voyage of H.M.S. Challenger during the years ...
online web version
Sponge Barcoding Project
The Sponge Barcoding Project (SBP) aims to cover all sponge taxa, from classes Demospongiae, Hexactinellida, and Calcarea, and ranging in habitat from the marine intertidal to the deep-sea, as well as freshwater, by obtaining DNA-signature sequences from all taxa
Sycon
genetic sequence data - Moorea Biocode Collection
Underwater Field Guide to Ross Island & McMurdo Sound, Antarctica - Porifera - Calcarea - calcareous sponges
intended to facilitate underwater or topside field identification from visual characters and is not a taxonomic key, though publications are cited it is not intended to be a complete review on each species