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By: Gray, John Edward - British Museum (Natural History). Department of Zoology.Edition:Publication info: London, Printed by order of the Trustees [by Taylor and Francis], 1870Volume:Series:Holding Institution: Multiple institutionsSubjects: Sea pensBHL Collections: Natural History Museum (London) Publications
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By: Richiardi, Sebastiano,Edition:Publication info: Bologna, Fava e Garagnani, 1869Volume:Series:Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr LibrarySubjects: Cnidaria Pennatulidae Sea pensBHL Collections:
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By: Kükenthal, W. G. (Willy Georg),Edition:Publication info: Berlin, R. Friedländer und Sohn, 1915Volume: Lfg.43 (1915)Series:Holding Institution: MBLWHOI LibrarySubjects: Sea pensBHL Collections:
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By: Williams, Gary C.,Type: ArticleIn: ZooKeysVolume: 1019Series:Issue:Date: 2021Page Range: 1--14Publication Info: Pensoft Publishers 2021Subjects: Deep-sea pennatulaceans key to chunellid species Porcupinella tasmanica sp. nov Sea pens systematics worldwide distribution
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By: Williams, Gary C.,Type: ArticleIn: ZooKeysVolume: 546Series:Issue:Date: 2015Page Range: 39-50Publication Info: Pensoft Publishers 2015Subjects: Gulf of Guinea key to the virgulariid genera New genus and species Nigeria Pennatulacea Sea pens Virgulariidae West Africa