Ravara, Ascensão; Aguado, María Teresa; Rodrigues, Clara F.; Génio, Luciana; Cunha, Marina R. (2019). Description of a new genus and species of Chrysopetalidae (Annelida: Polychaeta) from the NE Atlantic, with some further records of related species. European Journal of Taxonomy. 539:1-21.

353787

10.5852/ejt.2019.539 [view]

urn:lsid:zoobank.org:pub:17F463A6-5663-4E82-8FD4-759ACD25D2F2 [view]

Ravara, Ascensão; Aguado, María Teresa; Rodrigues, Clara F.; Génio, Luciana; Cunha, Marina R.

2019

539:1-21

Publication

https://doi.org/10.5852/ejt.2019.539

World Polychaeta Database (WPolyDb). Open access publication.

Available for editors  

Five chrysopetalid species are reported from samples collected at bathyal depths in three NE Atlantic regions: the Bay of Biscay, the Horseshoe Abyssal Plain and the Gulf of Cadiz. Arichlidon reyssi (Katzmann et al., 1974), Dysponetus caecus (Langerhans, 1880) and D. profundus Böggemann, 2009 are free-living forms found mainly on biogenic substrates (e.g., coral and sunken wood). A brief description and taxonomical remarks are given for each of these species and their geographical distributions and habitat records were updated accordingly. Natsushima bifurcata Miura & Laubier, 1990 and Craseoschema thyasiricola gen. et sp. nov. are symbionts inhabiting the mantle cavity of chemosynthesis-based bivalves known from four mud volcanoes from the Gulf of Cadiz. Craseoschema thyasiricola gen. et sp. nov. was found inside a thyasirid bivalve and presents mixed morphological characteristics of free-living and symbiotic forms within Calamyzinae Hartmann-Schröder, 1971. A full description of the new species is given together with DNA sequences of the genes COI, 16S and H3 that were used in a phylogenetic analysis to indicate the position of the new genus within the family.

Biscay
Lusitanian region: Azores, Madeira, Canary Islands to west Iberian Peninsula together
North Africa in general

Abyssal, Deep-Sea
Associations, Symbiosis, Commensalism (parasitism see *PAR)
Molecular systematics, Molecular biology
Systematics, Taxonomy

Annelida
Polychaeta

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