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First record of a Xenophyophore: (RhizariaForaminifera) on the Chilean margin

First record of a Xenophyophore: (RhizariaForaminifera) on the Chilean margin
First record of a Xenophyophore: (RhizariaForaminifera) on the Chilean margin
Xenophyophores are a group of large foraminifera, confined to deep-sea habitats below ~500 m, whose often fragile agglutinated tests may attain sizes up to 10–15 cm or more; their agglutinated tests incorporate a variety of foreign particles (termed ‘xenophyae’), including mineral particles, foraminiferan and radiolarian tests, diatom frustules and sponge spicules, and form structures ranging from simple tubes, plates and rounded lumps to complex folded, branching or reticulated formations (Tendal, 1972). Xenophyophores are widely distributed around the world, particularly in the Pacific and Atlantic Oceans with comparatively few records from the Indian Ocean and from Arctic and Antarctic seas; they occur at all depths in the oceans from ~500 m to >10,900 m (Tendal, 1972, 1996) and are particularly abundant in regions of high surface production, for example beneath upwelling zones, or on seamounts and sloped topography where particle flux is high (Levin and Gooday, 1992). There are scant records regarding xenophyophores in the SE Pacific. Species of the order Stannomida are recorded from the Ecuador and Peru margins (north of ~12°S) (Tendal 1972: Figs 18, 19), while species of the order Psamminida are common in the DISCOL experimental area of the Peru Basin (~7° 4ˈS, 88° 28’W; ~4150 m depth). Maybury and Evans (1994) illustrated two specimens of an undescribed Psammina species collected during the 1989 DISCOL campaign, but otherwise these collections remain largely unpublished.
1175-5326
589-592
Araya, Juan Francisco
c889cacc-39e1-45da-83e5-1d68d0ab8565
Gooday, Andrew J.
d9331d67-d518-4cfb-baed-9df3333b05b9
Araya, Juan Francisco
c889cacc-39e1-45da-83e5-1d68d0ab8565
Gooday, Andrew J.
d9331d67-d518-4cfb-baed-9df3333b05b9

Araya, Juan Francisco and Gooday, Andrew J. (2018) First record of a Xenophyophore: (RhizariaForaminifera) on the Chilean margin. Zootaxa, 4455 (3), 589-592. (doi:10.11646/zootaxa.4455.3.16).

Record type: Letter

Abstract

Xenophyophores are a group of large foraminifera, confined to deep-sea habitats below ~500 m, whose often fragile agglutinated tests may attain sizes up to 10–15 cm or more; their agglutinated tests incorporate a variety of foreign particles (termed ‘xenophyae’), including mineral particles, foraminiferan and radiolarian tests, diatom frustules and sponge spicules, and form structures ranging from simple tubes, plates and rounded lumps to complex folded, branching or reticulated formations (Tendal, 1972). Xenophyophores are widely distributed around the world, particularly in the Pacific and Atlantic Oceans with comparatively few records from the Indian Ocean and from Arctic and Antarctic seas; they occur at all depths in the oceans from ~500 m to >10,900 m (Tendal, 1972, 1996) and are particularly abundant in regions of high surface production, for example beneath upwelling zones, or on seamounts and sloped topography where particle flux is high (Levin and Gooday, 1992). There are scant records regarding xenophyophores in the SE Pacific. Species of the order Stannomida are recorded from the Ecuador and Peru margins (north of ~12°S) (Tendal 1972: Figs 18, 19), while species of the order Psamminida are common in the DISCOL experimental area of the Peru Basin (~7° 4ˈS, 88° 28’W; ~4150 m depth). Maybury and Evans (1994) illustrated two specimens of an undescribed Psammina species collected during the 1989 DISCOL campaign, but otherwise these collections remain largely unpublished.

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e-pub ahead of print date: 3 August 2018

Identifiers

Local EPrints ID: 425794
URI: https://eprints.soton.ac.uk/id/eprint/425794
ISSN: 1175-5326
PURE UUID: ffcac5fe-910b-40d9-99f4-3cc04b13dd10

Catalogue record

Date deposited: 02 Nov 2018 17:30
Last modified: 02 Nov 2018 17:30

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