2013
DOI: 10.1093/icb/ict074
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Mycalina: Another Crack in the Poecilosclerida Framework

Abstract: This is the first phylogenetic analysis integrating both morphological and molecular data of the sponge suborder Mycalina (Poecilosclerida), which was erected in 1994. A cladistic analysis of morphology supported the monophyly of Cladorhizidae (including Euchelipluma), Guitarridae (excluding Euchelipluma), Isodictyidae, Latrunculiidae, and Podospongiidae but rejected monophyly for Desmacellidae, Esperiopsidae, Hamacanthidae, and Mycalidae. Analyses of partial 16S and partial 28S rRNA datasets combined, as well… Show more

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Cited by 14 publications
(10 citation statements)
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“…The SP classification is based on the assumption that chelae can be used to reconstruct phylogeny because of their morphological complexity and presumed selective neutrality but it seems that convergent evolution has brought phylogenetic noise to this hypothesis. Although we are far from understanding the phylogenetic relationships within this large order, molecular studies (using CO1 , 28S and 18S ) strongly suggest that Microcionina, Mycalina and Myxillina are polyphyletic (Figure 3 ) [ 7 , 10 , 13 , 38 ]. We therefore propose to abandon these suborder names.…”
Section: Discussionmentioning
confidence: 99%
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“…The SP classification is based on the assumption that chelae can be used to reconstruct phylogeny because of their morphological complexity and presumed selective neutrality but it seems that convergent evolution has brought phylogenetic noise to this hypothesis. Although we are far from understanding the phylogenetic relationships within this large order, molecular studies (using CO1 , 28S and 18S ) strongly suggest that Microcionina, Mycalina and Myxillina are polyphyletic (Figure 3 ) [ 7 , 10 , 13 , 38 ]. We therefore propose to abandon these suborder names.…”
Section: Discussionmentioning
confidence: 99%
“…We therefore propose to abandon these suborder names. Latrunculina, which only includes Latrunculiidae, seems to be monophyletic [ 10 , 38 ] but for consistency it is here abandoned along with the other suborders. It is not possible to provide an alternative internal phylogenetic structure for Poecilosclerida since so few taxa have yet been sequenced.…”
Section: Discussionmentioning
confidence: 99%
“…124 Carnivorous sponges belong to order Poecilosclerida,which 125 forms part of the clade Heteroscleromorpha Cárdenas,Pérez & 126 Boury-Esnault, 2012 in molecular analyses (Borchiellini et al, 127 2004;Cárdenas et al, 2012;Erpenbeck and Wörheide, 2007;128 Lavrov et al, 2008;Morrow et al, 2012;Redmond et al, 2013). 129 Chela microscleres are unique to the order Poecilosclerida, and a 130 clade containing chela-bearing poecilosclerids is usually recovered 131 in molecular analyses close to several polyphyletic assemblages of 132 mostly hadromerid sponges (Erpenbeck et al, 2007a;Erpenbeck 133 and Wörheide, 2007;Lavrov et al, 2008;Morrow et al, 2012; 134 Redmond et al, 2013;Thacker et al, 2013). Within the order, chela 135 morphology was previously one of the major characters forming 136 the basis of the subordinal classification, comprising Microcionina, 137 Latrunculina, Myxillina and Mycalina (Hajdu et al, 1994;Hooper 138 and Kelly and Samaai, 2002 .…”
mentioning
confidence: 99%
“…Redmond et al, 2013), and in the newly proposed classifi-248 cation ofMorrow and Cárdenas (2015) the scope of the order has 249 been reduced to encompass only those families who have been 250 consistently recovered as a monophyletic assemblage. We added 251 all available 18S rDNA sequences from GenBank belonging to Poe-252 cilosclerida sensu Morrow and Cárdenas (2015) >1250 bp in length 253 (with a large majority >1700 bp in length), as well as sister taxa 254 including Merlia normani Kirkpatrick, 1908 (Merliida), Desmacella 255 spp.…”
mentioning
confidence: 99%
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