{"refrec":{"BRefID":31845,"RR":"<b>Buzhinskaja, G.N.; Jørgensen, L.L.</b> (1997). Redescription of <i>Trochochaeta carica</i> (Birula, 1897) (Polychaeta, Trochochaetidae) with notes on its reproductive biology and larvae. <i>Sarsia 82</i>: 69-75","BEntID":31845,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":null,"RefStringPartII":". <i>Sarsia 82</i>: 69-75","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Buzhinskaja, G.N.; Jørgensen, L.L.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Buzhinskaja, G.N.; Jørgensen, L.L.","Englishabstract":"Based on examination of the holotype, new collections from the type locality and other regions of the Kara and East Siberian Seas, an illustrated redescription of <i>Trochochaeta carica</i> is presented. Some morphological details, including the shape of the pygidium, eggs, sperm, and larva are described for the first time. Specimens were found in reproductive condition in the middle of August. Mature eggs measuring up to 500 × 564 and 405 × 650 µm in diameter and containing large quantities of yolk granules are spawned in maternal tubes. Spermatozoa have a round head, measuring 3.3 µm in diameter. The 21-segment larvae were still in the tubes of the adults. This larval stage is characterized by an outspread ‘umbrella’, a terminally notched prostomium without eyes, 11 pairs of well developed parapodia, two pairs of coarse setae in segment three, long provisional swimming setae and a fourlobed pygidium. The presence of long swimming setae in the larvae suggests a pelagic stage, which is important for dispersion of tubicolous species. The type of development is apparently entirely lecithotrophic. North Atlantic specimens, identified by Pettibone (1976) as <i>T. carica</i>, are more closely related to <i>T. pettiboneae</i> Dean, 1987. We suggest that the distribution of <i>T. carica</i> is limited to Arctic Seas.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Redescription of <i>Trochochaeta carica</i> (Birula, 1897) (Polychaeta, Trochochaetidae) with notes on its reproductive biology and larvae","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1997,"MonPub":null,"DateUpdate":"2003-06-19","DateCreate":"2003-01-31","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":31845,"PubliDate":1997,"Pagination":"69-75","XtraPublOfAnaID":null,"ISBN":null,"Volume":"82","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43909,"SerRR":"Sarsia. University of Bergen. 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