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WoRMS taxon details
original description
Sollas, W.J. (1888). Report on the Tetractinellida collected by H.M.S. Challenger, during the years 1873-1876. <em>Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873–76. Zoology.</em> 25 (part 63): 1-458, pl. 1-44, 1 map., available online at http://www.19thcenturyscience.org/HMSC/HMSC-Reports/Zool-63/htm/doc.html [details]
additional source
Cárdenas, P.; Rapp, H.T.; Schander, C.; Tendal, O.S. (2010). Molecular taxonomy and phylogeny of the Geodiidae (Porifera,Demospongiae, Astrophorida) - combining phylogenetic and Linnaean classification. <em>Zoologica Scripta.</em> 39 (1): 89-106., available online at https://doi.org/10.1111/j.1463-6409.2009.00402.x [details] Available for editors [request]
additional source
Cárdenas, P.; Xavier, J.R.; Reveillaud, J.; Schander, C.; Rapp, H.T. (2011). Molecular Phylogeny of the Astrophorida (Porifera, Demospongiaep) Reveals an Unexpected High Level of Spicule Homoplasy. <em>PLoS ONE.</em> 6 (4), e18318., available online at https://doi.org/10.1371/journal.pone.0018318 [details]
From editor or global species database
Taxonomy Cárdenas et al. 2010 studied the phylogeny of Geodiidae. Using molecular sequence analysis and some morphological characters they reached radically different conclusions about the classification of the genera in this family departing from the latest revision of Uriz, 2002. Some of the more important changes proposed by these authors are reinstating the subfamilies Geodiinae and Erylinae, reinstating the genus Cydonium as valid, erecting a new name for a particular group of Geodia species, Depressiogeodia, sinking the genera Sidonops and Isops into the synonymy of Geodia, and subdividing Erylus in several groups. While we recognize the importance of this study, we will wait with implementing the proposed changes until a larger stock of species of Geodiidae has been reclassified using both molecular and morphological characters confirming the new proposals. [details]
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