First record of the abyssal bivalve Halicardia flexuosa (Bivalvia: Verticordiidae) in the Bay of Biscay
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10 déc. 2019
À propos de cet article
Catégorie d'article: Short communication
Publié en ligne: 10 déc. 2019
Pages: 430 - 435
Reçu: 08 avr. 2019
Accepté: 20 mai 2019
DOI: https://doi.org/10.2478/ohs-2019-0037
Mots clés
© 2019 Faculty of Oceanography and Geography, University of Gdańsk, Poland
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Figure 1

Figure 2
![Holotype of Mytilimeria flexuosa Verrill & S. Smith, 1881 (= Halicardia flexuosa (Verrill & S. Smith [in Verrill], 1881)). A: external view of the left valve; B: internal view of the left valve; C: external view of the right valve; D: internal view of the right valve. Scale bar: 1 cm. Adapted from the Smithsonian Institution, National Museum of Natural History](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/6472648a215d2f6c89dc68f1/j_ohs-2019-0037_fig_002.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20250912%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20250912T161421Z&X-Amz-Expires=3600&X-Amz-Signature=0e903fcf8a4476ad04c2ae0f61c47a600a150c20371cef7f08714a2ff8eca2e6&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Figure 3

Updated summary of the worldwide records of Halicardia flexuosa
Locality | Coordinates | Year | Ocean | Cruise | Sampling method | Depth (m) | Substrate | N⍛ Ind. | Reference |
---|---|---|---|---|---|---|---|---|---|
Martha’s Vineyard (Massachusetts) | n/a | 1881 | NW Atlantic | U.S. Fish Commission | rake-dredge | 570 | sand/mud | 2 valves | |
Cabo (Sahara) Blanco | n/a | 1883 | NE Atlantic | Talisman | n/a | 1495–2300 | n/a | 3 fresh specimens + 1 valve | |
Gulf of Maine | n/a | 1885 | NW Atlantic | Albatross/U.S. Fish Commission | n/a | 1238 | brown sand | 1 dead specimen | |
West coast of Scotland | 57°41ʹN; 11°48ʹW | 1910 | NE Atlantic | Michael Sars’ North Atlantic | n/a | 1853 | n/a | n/a | |
New Scotland | 42°40ʹN; 62°49ʹ30ʹʹW | 1913 | NW Atlantic | Prince de Monaco | trawling | 1458 | n/a | 2 valves | |
Namibia | 23°00ʹS; 12°45ʹE | ?1968 | SE Atlantic | Atlanti s II | n/a | 1007–1014 | n/a | 1 ?dead specimen | |
Cape St. Vincent (South Iberian Peninsula) | 36°45ʹN; 9°32ʹW | 1984 | NE Atlantic | Balgim Expedition | n/a | 1592 | ooze? | 1 ?fresh specimen | |
Charlie-Gibbs Fracture Zone | 52°58ʹN; 34°52ʹW | 2004 | Mid Atlantic | G.O. Sars MAR-ECO cruise | trawling | 1650 | n/a | 1 ?fresh specimen | |
Galician Bank (NW Spain) | n/a | 2010–2011 | NE Atlantic | INDEMARES | Bou de Vara/GOC | 1720 | soft | n/a | IEO* 2014 |
Avilés Canyon System (central Cantabrian Sea) | 43°58.01ʹN; 6°30.95ʹW | 2013 | NE Atlantic | BIOCANT cruise | Agassiz dredge | 1200 | sand | 1 fresh specimen + 3 valves | Present paper |
SW Iceland | 63°05.67ʹN; 26°52.12ʹW and 63°08.67ʹN; 26°52.92ʹW | 2015 | NE Atlantic | R/V Árni Fridricksson | trawling | 1281–1300 | clay | 2 fresh specimens + some loose valves | |
Rhode Island (Massachusetts) | 41°13ʹN; 66°19.83ʹW | n/a | NW Atlantic | n/a | n/a | 137–1210 | n/a | 1 valve | |
Cape Point (South Africa) | n/a | n/a | SE Atlantic | Pieter Faure | n/a | 840–1188 | n/a | some valves |