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Delgado-Blas, Vítor Hugo; Díaz-Díaz, Óscar; Viéitez, José Manuel. (2018). New species of Dispio Hartman, 1951 and Streblospio Webster, 1879 (Polychaeta, Spionidae) from the coast of the Iberian Peninsula. Zootaxa. 4410(3): 525-538.
347954
10.11646/zootaxa.4410.3.6 [view]
urn:lsid:zoobank.org:pub:4C58921D-BD16-4FF3-B10E-3EAE3B5F1481 [view]
Delgado-Blas, Vítor Hugo; Díaz-Díaz, Óscar; Viéitez, José Manuel
2018
New species of <i>Dispio</i> Hartman, 1951 and <i>Streblospio</i> Webster, 1879 (Polychaeta, Spionidae) from the coast of the Iberian Peninsula
Zootaxa
4410(3): 525-538
Publication
World Polychaeta Database (WPolyDb). Closed access at Zootaxa.
Available for editors  PDF available
Re-assessment of spionid specimens from Iberian Peninsula initially assigned to Dispio uncinata Hartman, 1951 and Streblospio benedicti Webster, 1879 led to the recognition of two new species from the spionid genera Dispio and Streblospio from coasts around the Iberian Peninsula. Dispio elegans sp. nov. is characterised by having an oblanceolate-shaped prostomium. In addition, the first two notopodial postchaetal lamellae are serrated with digitiform papillae, the anterior neuropodial lamellae are smooth; all branchiae are almost completely fused to the notopodial lamellae, but with the tips free; the notochaetae on chaetiger 1 are smooth, alimbate capillaries; the ventral chaetae located in the position of the sabre chaetae on chaetigers 1–2 are smooth, alimbate capillaries, but becoming granulated on chaetiger 3; and the middle and posterior chaetigers are granulated and reticulated. Streblospio padventralis sp. nov. is characterized by lacking dorsal papillae between the branchiae of chaetiger 1; the hooks have 4–5 pairs of small teeth; sabre chaetae are present from chaetiger 3; the pygidium has two ventral lappets; and brooding structures are present in the coelomic cavities. We suggest raising the status of Streblospio benedicti japonica Imajima, 1990 to full species level as S. japonica Imajima, 1990. A key for Streblospio species is provided.
Corresponding author e-mails: vhdblas@hotmail.com ; blas@uqroo.edu.mx
Lusitanian region: Azores, Madeira, Canary Islands to west Iberian Peninsula together
Warm Eastern Atlantic including Mediterranean
Systematics, Taxonomy
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2019-05-14 09:51:38Z
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Dispio Hartman, 1951 (taxonomy source)
Streblospio Webster, 1879 (taxonomy source)
 Depth range

Intertidal and subtidal to 15 m deep. [details]

 Distribution

Northeastern Atlantic Ocean: Iberian Peninsula, littoral of north Spain (Euskadi; Galicia). [details]

 Distribution

Northeastern Atlantic Ocean: Iberian Peninsula, Atlantic littoral of north and south Spain (Galicia; Andalusia). [details]

 Etymology

"The specific name is from the Latin elegans meaning elegant" (Delgado-Blas et al., 2018: 534). [details]

 Etymology

"The specific name refers to the pad-like structure located in the antero-ventral region of the prostomium" ... [details]

 Habitat

In substrates of medium and fine sands with low mud (max. 1.43%) and low organic matter (1-3%) contents, from ... [details]

 Habitat

Intertidal muddy soft sediments. [details]

 Status

From Delgado-Blas et al. (2018: 534): "Imajima (1990) described Streblospio benedicti japonica as a new subspecies ... [details]

 Type locality

Meira beach, Ría de Vigo, Galicia, Spain, Atlantic Ocean (42.2833°, -8.7167°), intertidal.  [details]

 Type locality

Combarro beach, Ría de Pontevedra, Galicia, Spain, Atlantic Ocean (42.434°, -8.704°), intertidal. [details]

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