Distribution of benthic abyssal gastropods in the Iberian Deep-Sea Basin (Table 2)
Citation
Fechter R (1979). Distribution of benthic abyssal gastropods in the Iberian Deep-Sea Basin (Table 2). PANGAEA - Data Publisher for Earth & Environmental Science. Occurrence dataset https://doi.org/10.1594/pangaea.611197 accessed via GBIF.org on 2023-12-01.Description
During the cruises 3 and 15 of R.V. "Meteor", representatives of 7 families of benthic abyssal gastropods were collected. The prevalent group was the Turridae; the Naticidae are represented by 2 species, the remaining families by a single species each. A survey of the frequency and distribution of the species within the study area is given. A systematic part deals with the individual species in detail, including notes on taxonomy, material and distribution. Concerning the composition of the abyssal gastropod fauna of the present material, Neogastropoda are 4 times as many as Archaeogastropoda and 6 times as many as Mesogastropoda and Opisthobranchia. 89 % of all specimens are Neogastropoda. Usually deep-sea organisms have a non-pelagic development, but many of the Iberian deep-sea Turrids have a planktotrophic protoconch, that means a long pelagic larval period. Among the 19 species, 2 are cosmopolitan, 9 show a transatlantic distribution and 8 are confined to East-Atlantic basins.Taxonomic Coverages
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Animaliarank: kingdom
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Molluscarank: kingdom
Geographic Coverages
Event: M3/1_024,
Iberian deep sea
; Event: M3/1_030,
Iberian deep sea
; Event: M3/1_037,
Iberian deep sea
; Event: M3/1_038,
Iberian deep sea
; Event: M15_024,
Iberian deep sea
; Event: M15_025,
Iberian deep sea
;
Bibliographic Citations
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Rosina Fechteroriginator
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