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Checked: verified by a taxonomic editorHalosydnella Hartman, 1938 
AphiaID: 324948

Classification: Biota > Checked: verified by a taxonomic editorAnimalia (Kingdom) > Checked: verified by a taxonomic editorAnnelida (Phylum) > Checked: verified by a taxonomic editorPolychaeta (Class) > Checked: verified by a taxonomic editorErrantia (Subclass) > Checked: verified by a taxonomic editorPhyllodocida (Order) > Checked: verified by a taxonomic editorAphroditiformia (Suborder) > Checked: verified by a taxonomic editorPolynoidae (Family) > Checked: verified by a taxonomic editorLepidonotinae (Subfamily)
Status accepted
Rank Genus
Typetaxon Checked: verified by a taxonomic editorHalosydna australis Kinberg, 1856 (type by original designation)
Parent Checked: verified by a taxonomic editorLepidonotinae Willey, 1902
Sources  original description Hartman, O. 1938. The types of the polychaete worms of the families Polynoidae and Polyodontidae in the United States National Museum and the description of a new genus. Proceedings of the United States National Museum, 86(3046): 107-134., available online at http://www.biodiversitylibrary.org/item/32496#page/135/mode/1up
page(s): 110 [details]

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Direct child
taxa (10)

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 Species Checked: verified by a taxonomic editorHalosydnella australis (Kinberg, 1856)
Species Checked: verified by a taxonomic editorHalosydnella elegans (Kinberg, 1858)
Species Checked: verified by a taxonomic editorHalosydnella fusca (Müller in Grube, 1858)
Species Checked: verified by a taxonomic editorHalosydnella fuscamaculata (Treadwell, 1924)
Species Checked: verified by a taxonomic editorHalosydnella galapagensis (Monro, 1928)
Species Checked: verified by a taxonomic editorHalosydnella punctulata (Grube, 1856)

Species Checked: verified by a taxonomic editorHalosydnella alleni (Day, 1934) accepted as Checked: verified by a taxonomic editorHyperhalosydna alleni (Day, 1934)
Species Checked: verified by a taxonomic editorHalosydnella brasiliensis (Kinberg, 1858) accepted as Checked: verified by a taxonomic editorHalosydnella australis (Kinberg, 1856)
Species Checked: verified by a taxonomic editorHalosydnella grisea (Treadwell, 1929) accepted as Checked: verified by a taxonomic editorHalosydnella australis (Kinberg, 1856)
Species Checked: verified by a taxonomic editorHalosydnella oculata (Treadwell, 1926) accepted as Checked: verified by a taxonomic editorHeteralentia ptycholepis (Grube, 1878)
Environment marine, brackish, fresh, terrestrial
Fossil range recent only
Link Unreviewed: has not been verified by a taxonomic editorTo ITIS
Notes 
From editor or global species database
Checked: verified by a taxonomic editorDiagnosis After Barnich, Orensanz & Fiege (2012): Body flattened dorsoventrally, elongate, with about 45 segments. Elytra 20–24 pairs on segments 2, 4, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 28, 30, 31, and on every 2nd or 3rd more posteriorly. Prostomium with three antennae; lateral antennae inserted terminally.
"The main distinguishing characters of the genera Halosdyna Kinberg, 1856 and Halosydnella Hartman, 1938 are the number of segments and elytra respectively. Adult specimens of Halosydna have only up to 36 segments and 18 pairs of elytra, while those of Halosydnella are characterized by 45 segments and 20–24 pairs of elytra." [details]

Checked: verified by a taxonomic editorTaxonomy Hartman (1938) initially included these species in the new genus:
Halosydna australis Kinberg, from the La Plata River.
Halosydna brasiliensis Kinberg, from Brazil [synonym].
Halosydna fusca Grube, from Brazil.
Halosydna alleni Day, from False Bay, South Africa [to Hyperhalosydna].
Halosydna grisea Treadwell, from Argentina. [synonym]
Polynoe punctulata Grube, from Brazil.
Halosydna galapagensis Monro, from the Galapagos Islands.
Halosydna oculata Treadwell, from Samoa. [synonym in Heteralentia]
Halosydna fusca-maculata Treadwell, from the Barbados

 [details]
LSID urn:lsid:marinespecies.org:taxname:324948
Taxonomic
Edit history
 
Date   action   by
2008-03-05 14:39:51Z  created  Fauchald, Kristian
2008-03-26 11:36:43Z  changed  Fauchald, Kristian
2014-07-30 23:26:11Z  changed  Read, Geoffrey
2014-08-06 22:53:18Z  changed  Read, Geoffrey
  
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  Citation: Read, G.; Fauchald, K. (2014). Halosydnella Hartman, 1938. In: Read, G.; Fauchald, K. (Ed.) (2014) World Polychaeta database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=324948 on 2014-09-21
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