Joshua Alder (1792–1867), British zoologist and malacologist.

(List may be incomplete)

• 15 taxon names authored byJoshua Alder

(List may be incomplete)

• Alder, J. 1841. Observations on the genusPolycera ofCuvier, with descriptions of two new British species.Annals and magazine of natural history 6(38): 337–342.DOI:10.1080/03745484109442937BHLReference page. 

• Alder, J. &Hancock, A. 1845.A monograph of the British nudibranchiate Mollusca: with figures of all the species. Part 1. Ray Society, London.BHLReference page. 
• Alder J. &Hancock A., 1845. Notice of a new genus and several new species of nudibranchiate Mollusca. Annals and Magazine of Natural History 16: 311-316 [novembre] (BHL).Reference page. 

• Alder, J. &Hancock, A. 1846.A monograph of the British nudibranchiate Mollusca: with figures of all the species. Part 2. Ray Society, London.Reference page. 

• Alder, J. &Hancock, A. 1847.A monograph of the British nudibranchiate Mollusca: with figures of all the species. Part 3. Ray Society, London.Reference page. 

• Alder, J. &Hancock, A. 1848.A monograph of the British nudibranchiate Mollusca: with figures of all the species. Part 4. Ray Society, London.Reference page. 

• Alder, J. &Hancock, A. 1851.A monograph of the British nudibranchiate Mollusca: with figures of all the species. Part 5. Ray Society, London.Reference page. 

• Alder, J. &Hancock, A. 1854.A monograph of the British nudibranchiate Mollusca: with figures of all the species. Part 6. Ray Society, London.Reference page. 

• Alder, J. &Hancock, A. 1855.A monograph of the British nudibranchiate Mollusca: with figures of all the species. Part 7. Ray Society, London.BHL.Reference page. 

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• Taxon authorities
• Malacologists
• Zoologists

• Wikispecies articles with authority control information