Occurrence of Globorotalia cavernula in the water column and sediments: global compilation of sightings and abundances


Here, we present a global compilation of previously reported sightings of the rare planktic foraminifer Globorotalia cavernula Bé, 1967 as well as new observations of live-collected specimens from the Southern Ocean (Subantarctic south of Africa). The goal of this synthesis is to provide the geographic and stratigraphic context needed to investigate the past and present-day distributions of this rare but possibly under-recognized species. The previous records include modern occurrences in the water column (collected by plankton net tows and a single sediment trap) and seafloor sediments ranging in age from recent to Eocene. Seafloor sediment samples were collected by dredge, sediment grabs and core-tops. Deeper sediments came from drilling cores. Existing databases provided a foundation for this compilation, particularly ForCenS for surface sediments (Siccha & Kucera, 2017) and FORCIS for water-column collections (de Garidel-Thoron et al., 2022; Chaabane et al., 2022, 2023). These records were supplemented with occurrences from the literature, PANGEA, and cruise reports of the Deep Sea Drilling Project (DSDP) / Ocean Drilling Program (ODP). Searches were conducted in October 2022 using Google Scholar, GBIF, EOL (Encyclopedia of Life, "http://eol.org", which includes records from the Smithsonian NMNH). Where available, we include information on the abundance of G. cavernula in each collection, and indicate whether photographic evidence (or drawings) could be found to support the identification. Globorotalia crozetensis Thompson, 1973 (reclassified as G. cavernula by Brummer & Kučera, 2022) and closely related Globorotalia petaliformis Boltovskoy, 1974 were also included in compilation.

Funding: PhD scholarship and postdoctoral fellowship of South African National Research Foundation (NRF), and PhD stipend of Max Planck Institute for Chemistry (MPIC)

DOI https://doi.org/10.1594/PANGAEA.962773
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Metadata Access https://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite4&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.962773
Creator Smart, Sandi; Schiebel, Ralf ORCID logo; Jochum, Klaus Peter; Chaabane, Sonia ORCID logo; Jentzen, Anna; Repschläger, Janne ORCID logo; Stoll, Brigitte; Weis, Ulrike ORCID logo; Haug, Gerald H
Publisher PANGAEA
Publication Year 2024
Funding Reference National Research Foundation https://doi.org/10.13039/501100001321 Crossref Funder ID Grant 111090 South African National Research Foundation (NRF) freestanding PhD scholarship; National Research Foundation https://doi.org/10.13039/501100001321 Crossref Funder ID Grant 120714 South African National Research Foundation (NRF) freestanding postdoctoral fellowship
Rights Creative Commons Attribution 4.0 International; https://creativecommons.org/licenses/by/4.0/
OpenAccess true
Resource Type Dataset
Format text/tab-separated-values
Size 1061 data points
Discipline Earth System Research
Spatial Coverage (-159.633W, -62.300S, 174.147E, 44.360N); Caribbean Sea/RIDGE; Indian Ocean//RIDGE; Indian Ocean//PLATEAU; Antarctic Ocean/Tasman Sea/PLATEAU; South Atlantic/RIDGE; North Atlantic/BASIN; North Atlantic/FRACTURE ZONE; North Pacific/SEDIMENT POND; North Pacific/MOUND; South Atlantic Ocean; Nicaraguan Rise, North Atlantic Ocean; Solomon Sea; Northeast Atlantic; Namibia Continental Margin; North Atlantic; off West Africa; South China Sea
Temporal Coverage Begin 1951-02-11T00:00:00Z
Temporal Coverage End 2016-05-08T00:00:00Z