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Huang, Danwei; Fitzhugh, Kirk; Rouse, Greg W. (2011). Inference of phylogenetic relationships within Fabriciidae (Sabellida, Annelida) using molecular and morphological data. Cladistics. 27(4): 356-379.
152524
10.1111/j.1096-0031.2010.00343.x [view]
Huang, Danwei; Fitzhugh, Kirk; Rouse, Greg W.
2011
Inference of phylogenetic relationships within Fabriciidae (Sabellida, Annelida) using molecular and morphological data.
Cladistics
27(4): 356-379
Publication
World Polychaeta Database (WPolyDb). Taxa changes in text flow only, not signalled in the abstract, include "Also Rubifabriciola berkeleyi (Banse, 1956), R. brevibranchiata (Fitzhugh, 1992b), R. cri (Rouse, 1996a), R. flammula (Rouse, 1993), R. ghardaqa (Banse, 1959a), R. mediaseta (Fitzhugh, 1990c), R. phuketensis (Fitzhugh, 1999), R. rubra (Fitzhugh, 1998), and R. tonerella (Banse, 1959b), all new combinations."
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Cladistic relationships among fabriciids have to date been explored in the context of adult morphology, but resolution has been declining as more species are described. In this study, we incorporated data on the reproductive system, including features related to the male sperm and sperm storage by females, to supplement existing data on adult morphology (for a total of 50 characters). Three nuclear DNA markers (18S rDNA approximately 1800 bp, the D1 region of 28S rDNA approximately 320 bp, and histone H3 approximately 330 bp) were sequenced from 21 species of fabriciids. We assessed the phylogeny of Fabriciidae based on an integrative analysis of these morphological and molecular characters. Our results show that, in addition to three previously recovered apomorphies for Fabriciidae (absence of ventral lips, modification of abdominal uncini to an elongate manubrium, and presence of branchial hearts), six more apomorphies associated with the reproductive system can be used to support this clade-spermiogenesis only in the thorax, spermiogenesis in large clusters with a central cytophore, single dorsal sperm duct, sperm nuclear projection, thickening of the sperm nuclear membrane and the sperm extra-axonemal sheath. The results require the erection of two new genera and two new species, which are described.
Cladism, Cladistics, Phylogenetics
Molecular systematics, Molecular biology
Systematics, Taxonomy
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2013-01-12 18:30:12Z
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