RT Journal Article
T1 The dispersal capacity of Mollusca—a test on the South Azorean Seamount Chain
A1 Caballero Herrera, José Antonio
A1 Hoffman, Leon
A1 Freiwald, André
A1 Gofas, Serge
K1 Larvas - Desarrollo
K1 Moluscos - Larvas - Distribución geográfica
K1 Zona abisal - Azores
AB This study investigates the molluscan fauna of the South Azorean Seamount Chain (SASC), which comprises several seamountsculminating in 300–1600 m depth, separated by distances less than 200 km. Material was collected mainly by dredging andcomprises mostly empty shells. A total of over 111,000 shells representing at least 439 species (409 identified) was collected.Larval development was inferred from protoconch morphology, and the assemblage comprises species with planktotrophiclarvae, with non-feeding planktonic larva, and with lecithotrophic larvae with direct development. The direct developers aremore prevalent among species endemic to the SASC in the upper bathyal part (300–800 m) of the seamounts, whereas mostplanktotrophic species are shared with the Lusitanian seamounts and/or the European mainland. Nevertheless, there are notableexceptions to this trend, where species with non-planktotrophic larvae are also widespread, and a large proportion of thespecies with non-feeding planktonic larvae are shared with Eastern and/or Western Atlantic. Level of endemism of Molluscais high within the SASC (22.5% overall, 35.8% considering only the interval < 800 m) and even higher (32.6% overall) whenconsidering together the SASC and the Azores. The generic composition and large set of overlapping fauna suggest a strongrelation to the temperate Eastern Atlantic, whereas only 19% of the species are shared with the Western Atlantic.
PB Springer
YR 2023
FD 2023
LK https://hdl.handle.net/10630/27662
UL https://hdl.handle.net/10630/27662
LA spa
NO Herrera, J.A.C., Hoffman, L., Freiwald, A. et al. The dispersal capacity of Mollusca—a test on the South Azorean Seamount Chain. Mar. Biodivers. 53, 59 (2023). https://doi.org/10.1007/s12526-023-01366-9
NO Funding for open access charge: Universidad de Málaga/CBUA
DS RIUMA. Repositorio Institucional de la Universidad de Málaga
RD 12 abr 2026