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Polychaeta source details

Lovell, Lawrence L.; Fitzhugh, Kirk. (2020). Taking a closer look: an SEM review of Levinsenia species (Polychaeta: Paraonidae) reported from California. Zootaxa. 4751(2): 256-275.
377399
10.11646/zootaxa.4751.2.3 [view]
urn:lsid:zoobank.org:pub:D0ADB14D-1A73-4325-859F-570EA2042F23 [view]
Lovell, Lawrence L.; Fitzhugh, Kirk
2020
Taking a closer look: an SEM review of <em>Levinsenia</em> species (Polychaeta: Paraonidae) reported from California
Zootaxa
4751(2): 256-275
Publication
World Polychaeta Database (WPolyDb), Open access
Available for editors  PDF available [request]
Scanning electron (SEM) and light microscope examinations of members of Levinsenia Mesnil, 1897, species from California yielded a new species, new characters, emended name and range extension for L . kirbyorum Lovell, 2002. Specimens of L . gracilis (Tauber, 1879) from Sweden, Iceland, and California were compared and could not be distinguished on the basis of morphology. Two other Californian species, L . multibranchiata (Hartman, 1957) and L . oculata (Hartman, 1957), were also examined. SEM revealed features previously undescribed for the genus. Additional prostomial ciliary bundles, dorsal transverse ciliary branchial connections, notopodial sensory pores, and neurochaetal fascicle configurations. Levinsenia barwicki n.sp. possessing a terminal sensory organ, 4-8 leaf-like ciliate branchiae, and recurved neurochaete with distal hood is described More SEM work is necessary to confirm if these features are present among other members of Levinsenia and other Paraonidae genera. The status of Levinsenia according to the phylogenetic analysis performed by Langeneck et al . (2019, Molecular Phylogenetics and Evolution , 136, 1-13) is discussed.
Email: lllpolytax@gmail.com
California quadrant
Systematics, Taxonomy
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Date
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by
2020-03-17 01:11:18Z
created

Holotype LACM LACM-AHF 12590, geounit Santa Barbara, identified as Levinsenia barwicki Lovell & Fitzhugh, 2020
 Etymology

named for Kelvin Barwick [details]

 New combination

Blake (1996: 36) is not stated to be a new combination as Levinsenia multibranchiata, but it appears to be so. ... [details]

 Spelling

The spelling perhaps should have been plural 'kirbyorum' in relation to three people but the etymology begins ... [details]

 Spelling

Eighteen years after the species was named the authors change Levinsenia kirbyae to L kirbyorum on the basis that ... [details]

 Status

Listed by Blake (2016) in a species list as "Levinsenia japonica Imajima, 1973. Japan, Sagami Bay, 145 m. (as ... [details]

 Synonymy

Paraonis gracilis is long recombined as Levinsenia gracilis, it follows automatically that its subspecies also at ... [details]

 Type locality

Offshore of Gaviota, Santa Barbara, California, 34.4581, -120.2119 (34°27’29”N, 120°12’43”W), 27 m [details]