WoRMS taxon details

Pseudosetia azorica Bouchet & Warén, 1993

141327  (urn:lsid:marinespecies.org:taxname:141327)

accepted
Species
marine
Bouchet P. & Warén A. (1993). Revision of the Northeast Atlantic bathyal and abyssal Mesogastropoda. <i>Bollettino Malacologico supplemento 3</i>: 579-840, available online at https://www.biodiversitylibrary.org/page/54708230
page(s): 686, 689-690 [details] 
Note off Azores (37º13.8'N, 28º44.5'W, 480...  
From editor or global species database
Type locality off Azores (37º13.8'N, 28º44.5'W, 480 m) [details]
Type locality off Faial/Pico, the Azores (37º13.8'N, 28º44.5'W, 480 m. [details]
Distribution North Atlantic ridge, rare in 860-870 m depth. Azores, rare in 350-800 m Meteor seamount, rare at 470 m. Hyères, Cruiser...  
Distribution North Atlantic ridge, rare in 860-870 m depth. Azores, rare in 350-800 m Meteor seamount, rare at 470 m. Hyères, Cruiser and Atlantis seamounts, common in 280-1340 mm). [details]
MolluscaBase eds. (2024). MolluscaBase. Pseudosetia azorica Bouchet & Warén, 1993. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=141327 on 2024-11-24
Date
action
by
2004-12-21 15:54:05Z
created

Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License


original description Bouchet P. & Warén A. (1993). Revision of the Northeast Atlantic bathyal and abyssal Mesogastropoda. <i>Bollettino Malacologico supplemento 3</i>: 579-840, available online at https://www.biodiversitylibrary.org/page/54708230
page(s): 686, 689-690 [details] 

context source (Deepsea) Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online at http://www.iobis.org/ [details] 

basis of record Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. <em>Patrimoines Naturels.</em> 50: 180-213., available online at http://www.vliz.be/imisdocs/publications/ocrd/254404.pdf [details] 
 
 Present  Present in aphia/obis/gbif/idigbio   Inaccurate  Introduced: alien  Containing type locality 
   

From editor or global species database
Biology Type of larval development: direct (non planktotrophic) denoted by paucispiral protoconch.  [details]

Diagnosis Shell 2.0- 2.15 mm high, with protoconch of 1.5 whorl and teleoconch of two to three whorls. Protoconch with indistinct spiral threads, not appreciable under the light microscope, teleoconch with a faint sculpture of weak axial lines in the form of wrinkles parallel to growth stages, and minute spiral striae more distinct on the adapical part of the whorl next to the suture. One spiral cord running along the suture or very close to it on the abapical side of the spire whorls; body whorl with this cord continued and with five to six more on the periumbilical area, separated by very broad interspaces, and decreasing in size towards the abapical side. Outer lip with a thin, flaring edge, thickened externally at a distance of the edge by a broad rim on which the spiral sculpture is attenuated; smooth and not thickened inside. Shell white, translucent.

This species is distinguished from Pseudosetia amydralox Bouchet & Warén, 1993 and from the sympatric Pusullina fuscapex Gofas, 2007 by having strong, definite spirals on the abapical surface. The thickened outer lip makes placement in genus Pseudosetia spurious, and it may be actually more related to Alvania stenolopha Bouchet & Warén, 1993 despite the lack of axial sculpture. [details]

Distribution North Atlantic ridge, rare in 860-870 m depth. Azores, rare in 350-800 m Meteor seamount, rare at 470 m. Hyères, Cruiser and Atlantis seamounts, common in 280-1340 mm). [details]

Type locality off Azores (37º13.8'N, 28º44.5'W, 480 m) [details]

Type locality off Faial/Pico, the Azores (37º13.8'N, 28º44.5'W, 480 m. [details]
    Definitions

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