The upper Palaeozoic miospore genus Spelaeotriletes Neves and Owens, 1966, and constituent Gondwanan species

Playford, Geoffrey, Dino, Rodolfo and Marques-Toigo, Marleni (2001) The upper Palaeozoic miospore genus Spelaeotriletes Neves and Owens, 1966, and constituent Gondwanan species. Journal of South American Earth Sciences, 14 6: 593-608. doi:10.1016/S0895-9811(01)00038-4

Author Playford, Geoffrey
Dino, Rodolfo
Marques-Toigo, Marleni
Title The upper Palaeozoic miospore genus Spelaeotriletes Neves and Owens, 1966, and constituent Gondwanan species
Journal name Journal of South American Earth Sciences   Check publisher's open access policy
ISSN 0895-9811
Publication date 2001-11-01
Sub-type Article (original research)
DOI 10.1016/S0895-9811(01)00038-4
Open Access Status
Volume 14
Issue 6
Start page 593
End page 608
Total pages 16
Place of publication Oxford ; New York ; Sydney
Publisher Earth Sciences and Resources Institute University of South Carolina : Pergamon
Language eng
Subject 0403 Geology
Abstract The upper Paleozoic miospore genus Spelaeotriletes Neves and Owens, 1966 is reviewed as a morpho-taxonomic entity and vis-à-vis other similarly constructed (pseudosaccate) genera — Geminospora Balme, 1962, Grandispora Hoffmeister, Staplin, and Malloy, 1955, Rhabdosporites Richardson, 1960, and Retispora Staplin, 1960. Detailed studies of numerous, mainly topotype specimens of Spelaeotriletes ybertii (Marques-Toigo, 1970) Playford and Powis, 1979 from the Lower Permian of Uruguay result in its re-diagnosis, in conjunction with a survey of its exclusively Gondwanan occurrences, particularly in South American strata extending from the Upper Carboniferous (Westphalian) into the Lower Permian, and also in Australian strata of approximately equivalent age. The characteristics of other species of Spelaeotriletes reported from upper Paleozoic deposits of Gondwana are discussed, as are their temporal representations in various broad regions of the supercontinent (South America, North Africa, Australia). These species include two, perhaps three, that, like Spelaeotriletes triangulus/arenaceus, are known also from Euramerica — S. balteatus (Playford, 1963) Higgs, 1996, S. pretiosus (Playford, 1964) Utting, 1987, and possibly S. owensii Loboziak and Alpern, 1978. Other species, such as S. benghaziensis Loboziak and Clayton, 1988, S. giganteus Loboziak and Clayton, 1988, and S. vibrissus Playford and Satterthwait, 1988, have, on present knowledge, exclusively Gondwanan occurrences. S. queenslandensis Jones and Truswell, 1992, known only from Upper Carboniferous strata of northeastern Australia, is formally reassigned on sculptural grounds to Grandispora. Not unexpectedly in a paleogeographic perspective, North Africa and South America are more closely allied with each other than with Australia in terms of shared species of Spelaeotriletes.
Keyword Miospores
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Physical Sciences Publications
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