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Two new and two poo...
Two new and two poorly known autolytines (Polychaeta: Syllidae) from Madeira and the Mediterranean Sea
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- Nygren, Arne, 1971 (författare)
- Gothenburg University,Göteborgs universitet,Zoologiska institutionen,Department of Zoology
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- Sundkvist, Tobias (författare)
- Gothenburg University,Göteborgs universitet,Zoologiska institutionen,Department of Zoology
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Mikac, Barbara (författare)
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visa fler...
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- Pleijel, Fredrik, 1955 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för marin ekologi,Institutionen för marin ekologi, Tjärnö marinbiologiska laboratorium,Department of Marine Ecology,Department of Marine Ecology, Tjärnö Marine Biological Laboratory
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visa färre...
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(creator_code:org_t)
- 2010
- 2010
- Engelska.
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Ingår i: Zootaxa. - 1175-5326. ; :2640, s. 35-52
- Relaterad länk:
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https://gup.ub.gu.se...
Abstract
Ämnesord
Stäng
- We describe Proceraea albocephala, new species, from Madeira, and Erseia oligochaeta, new genus and new species, from Istria, Croatia, and we provide redescriptions of Proceraea madeirensis (Nygren, 2004) from topotype material, and Myrianida longoprimicirrata (Lopez, San Martin & Jimenez, 1997) from material collected at Istria, Croatia, and Banyuls-sur-Mer, France. Proceraea albocephala, new species is morphologically separated from similar species by a prostomial white spot, and E. oligochaeta, new genus, new species is unique in having only a few (1-2) simple unidentate chaetae in all chaetigers, and a trepan with a single large and 25-28 smaller teeth. We assess the phylogenetic positions of the four species using nuclear 18SrDNA, together with mitochondrial COI and 16SrDNA. Our molecular data show that among the sequenced autolytines 1) P. albocephala, new species is most closely related to P. nigropunctata Nygren & Gidholm, 2001, P. okadai (Imajima, 1966), and P. cornuta (Agassiz, 1862), 2) E. oligochaeta, new genus, new species belongs within a clade together with Procerastea nematodes Langerhans, 1884, Virchowia clavata Langerhans, 1879, and Imajimaea draculai (San Martin & Lopez, 2002), 3) M. longoprimicirrata is sister species to M. pentadentata (Imajima, 1966), and 4) P. madeirensis has a basal position within Procerini. The molecular data suggests that Proceraea Ehlers, 1864 as currently delineated is paraphyletic.
Ämnesord
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Nyckelord
- New species
- new genus
- redescriptions
- nuclear data
- mitochondrial data
- PHYLOGENETIC ANALYSIS
- ALIGNMENTS
- BLOCKS
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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