The genera "Myriochele" and "Myrioglobula" (Polychaeta, Oweniidae) in Icelandic waters with the revision of type material of "Myriochele heeri" Malmgren, 1867, and the description of a new species
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The genera "Myriochele" and "Myrioglobula" (Polychaeta, Oweniidae) in Icelandic waters with the revision of type material of "Myriochele heeri" Malmgren, 1867, and the description of a new speciesAutor(es)
Fecha
2006Cita bibliográfica
Julio Parapar (2006) The genera Myriochele and Myrioglobula (Polychaeta, Oweniidae) in Icelandic waters with the revision of type material of Myriochele heeri Malmgren, 1867, and the description of a new species, Journal of Natural History, 40:9-10, 523-547, DOI: 10.1080/00222930600711758
Resumen
Based on the study of specimens previously identified as Myriochele heeri Malmgren, 1867 (Polychaeta, Oweniidae) in Icelandic waters collected during the BIOICE project, a redescription of this taxon is presented, a Pacific species—Myriochele olgae Blake, 2000 —is reported, and one new species is described: Myrioglobula malmgreni sp. nov. Myriochele heeri is characterized by three short anterior uniramous chaetigers of similar length. The revision of the type series of M. heeri showed that the length of the anterior chaetigers and the chaetal composition is variable in the different specimens, thus demonstrating that more than one species is involved. Complementary anatomical (prostomial, foregut, and peristomial ciliary fields, ventral pharyngeal organ) and biological (food composition, tube ornamentation, body regeneration) observations from selected specimens are provided. Additions to the original description of Myrioglobula islandica Parapar, 2003a and an updated key to the species of Oweniidae recorded in Arctic and East Atlantic Boreal waters are also presented. Aspects on geographical distribution and phylogeny of the family are also discussed.
Palabras clave
BIOICE project
Iceland
Myriochele
Myrioglobula
New species
Polychaeta
Oweniidaerial
Iceland
Myriochele
Myrioglobula
New species
Polychaeta
Oweniidaerial
Versión del editor
Derechos
This is an Accepted Manuscript of an article published by Taylor & Francis in Journal of Natural History on 2006, available online: http://www.tandfonline.com/10.1080/00222930600711758
ISSN
1464-5262