World Register of Deep-Sea species

Deep-Sea source details

Name

Hektoen, Martin M.; Radashevsky, Vasily I.; Bakken, Torkild. (2025). Partial revision of northern European Prionospio Malmgren, 1867 (Annelida: Spionidae). European Journal of Taxonomy. 1027(1): 1-58.

SourceID

556333

DOI

10.5852/ejt.2025.1027.3127 [view]

Zoobank LSID

urn:lsid:zoobank.org:pub:E566239D-16A5-4DCA-A21E-BE607419ADC7 [view]

Authors

Hektoen, Martin M.; Radashevsky, Vasily I.; Bakken, Torkild

Year

2025

Title

Partial revision of northern European Prionospio Malmgren, 1867 (Annelida: Spionidae)

Journal

European Journal of Taxonomy

Suffix

1027(1): 1-58

Type

Publication

Link

https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/3127

Note

Annelidabase

Full text

Available for editors

Abstract

This study continues our revision of Prionospio Malmgren, 1867 from the Northeast Atlantic aiming to describe the morphology of the worms that we have previously examined using molecular methods. Nine species of Prionospio are described or redescribed and illustrated, including two new species, P. fiordica sp. nov. and P. sigvaldadottirae sp. nov. A neotype is designated for P. plumosa M. Sars, and P. tripinnata Maciolek, 1985 is considered a junior synonym of this species. We found no evidence to support the presence of P. steenstrupi Malmgren, 1867 in coastal or shelf waters of mainland Europe. Prionospio sp. 6 is distinguished but not formally described due to poor material available. An identification key for Prionospio from northern Europe is presented. Several species of Prionospio in this study demonstrate a broad geographic and bathymetric range.

Geographical terms

Europe
North Atlantic

Bibliographical term

Molecular systematics, Molecular biology

Taxonomic terms

Annelida
Polychaeta

Export

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Sessions

Date

action

2025-12-10 09:26:28Z

created

Read, Geoffrey

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Naineris Blainville, 1828 (taxonomy source)
Prionospio Malmgren, 1867 (identification resource)
Prionospio (Prionospio) tripinnata Maciolek, 1985 accepted as Prionospio plumosa M. Sars in G.O. Sars, 1872 (source of synonymy)
Prionospio dubia Day, 1961 (taxonomy source)
Prionospio fallax Söderström, 1920 (additional source)
Prionospio fiordica Hektoen, Radashevsky & Bakken, 2025 (original description)
Prionospio plumosa M. Sars in G.O. Sars, 1872 (subsequent type designation)
Prionospio steenstrupi Malmgren, 1867 (additional source)
Prionospio tripinnata Maciolek, 1985 accepted as Prionospio plumosa M. Sars in G.O. Sars, 1872 (source of synonymy)

Neotype NHM NHMO C7075, geounit Norway, identified as Prionospio plumosa M. Sars in G.O. Sars, 1872
Holotype NTNU NTNU-VM 84107, geounit Norway, identified as Prionospio fiordica Hektoen, Radashevsky & Bakken, 2025

Distribution

for Prionospio steenstrupi Malmgren, 1867

Northeast Atlantic Ocean: northern, western and eastern Iceland. Sigvaldadóttir & Mackie (1993: 207) could only ... [details]

Etymology

for Prionospio fiordica Hektoen, Radashevsky & Bakken, 2025

Prionospio fiordica is named for its occurrence in the Norwegian fjords. [details]

Etymology

for Prionospio plumosa M. Sars in G.O. Sars, 1872

Not stated. According to Hektoen et al (2025) Prionospio plumosa is unique among Prionospio for the digitiform ... [details]

Etymology

for Prionospio sigvaldadottirae Hektoen, Radashevsky & Bakken, 2025

Prionospio sigvaldadottirae is named for Dr Elin Sigvaldadóttir, an Icelandic zoologist and Prionospio taxonomist. [details]

Neotype

for Prionospio plumosa M. Sars in G.O. Sars, 1872

Neotype designated, NHMO C7075, near Filtvedt, Brændtangen, Drøbaksundet, Oslofjord, Norway, no geolocation ... [details]

New combination

for Prionospio banyulensis Laubier, 1966

Hektoen et al (2025) formally re-establish Prionospio banyulensis as the valid name rather than as combined in ... [details]

Status

for Prionospio multisetosa Delgado-Blas & Peraza, 2024

According to Hektoen et al (2025: 20) Prionospio multisetosa from Europe is said to be close morphologically to P. ... [details]

Type locality

for Prionospio fiordica Hektoen, Radashevsky & Bakken, 2025

holotype NTNU-VM 84107, Midthjell, Stad, Vestland, 61.9218 N, 5.5462 E (61°55.306′ N, 5°32.774′ E); depth 576 m [details]

Type locality

for Prionospio plumosa M. Sars in G.O. Sars, 1872

Now superseded by the nearby neotype locality designated by Hektoen et al (2025) but Sars reported the type ... [details]

Type locality

for Prionospio sigvaldadottirae Hektoen, Radashevsky & Bakken, 2025

holotype NTNU-VM 84143, Vigdis D oil field, offshore Norway, Norwegian Sea, 61.35 N, 2.07 E (61°21.0′ N ... [details]