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New species of prunoid radiolarians from the Antarctic Neogene

David Lazarus, Karoline Faust and Irina Popova-Goll
New species of prunoid radiolarians from the Antarctic Neogene
Journal of Micropalaeontology (October 2005) 24, Part 2: 97-121


Radiolarians with "prunoid" morphologies (here defined as spumellarians with distinct external, generally ellipsoidal shells, usually bearing a pylome and having a lithelid, pylonid or spongy internal structure) are very common in polar Neogene sediments. Use of these taxa would improve resolution in Antarctic Neogene biostratigraphic and paleoceanographic studies significantly, but the taxonomy of prunoids is poorly known. This paper reviews the existing literature of generic names commonly used for prunoids, mostly dating from the nineteenth century. With the exception of Larcopyle Dreyer 1889, these names are either assigned to other, non-prunoid groups or are considered to be nomina dubia. Fourteen species, subspecies or varieties--most of them new--of Larcopyle from Antarctic Neogene sediments are described, illustrated with full plates and stratigraphic range data are provided: L. augusti n. sp., L. buetschlii Dreyer, 1889, L. eccentricum n. sp., L. hayesi Chen, 1975 hayesi n. variety, L. h. irregularis n. variety, L. labryinthusa n. sp., L. nebulum n. sp., L. peregrinator n. sp., L. polyacantha (Campbell & Clark 1944) n. comb. polyacantha n. subsp., L. p. titan n. subsp., L. p. amplissima n. subsp., L. titan (Campbell & Clark, 1944) n. comb., L. pylomaticus (Riedel, 1958) n. comb. and L. weddellium n. sp. J. Micropalaeontol. 24(2): 97-121, October 2005.

ISSN: 0262-821X
EISSN: 2041-4978
Serial Title: Journal of Micropalaeontology
Serial Volume: 24, Part 2
Title: New species of prunoid radiolarians from the Antarctic Neogene
Affiliation: Museum fuer Naturkunde, Humboldt Universitaet zu Berlin, Berlin, Federal Republic of Germany
Pages: 97-121
Published: 200510
Text Language: English
Publisher: British Micropalaeontological Society, London, United Kingdom
References: 41
Accession Number: 2006-083631
Categories: Invertebrate paleontology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 5 plates, 1 table, sketch map
S59°35'43" - S58°26'27", E78°58'53" - E85°51'36"
S65°09'38" - S64°31'00", E01°12'18" - E03°06'00"
Country of Publication: United Kingdom
Secondary Affiliation: GeoRef, Copyright 2018, American Geosciences Institute. Reference includes data from The Geological Society, London, London, United Kingdom
Update Code: 200623
Program Name: ODPOcean Drilling Program
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