Journal
REVIEW OF PALAEOBOTANY AND PALYNOLOGY
Volume 284, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.revpalbo.2020.104344
Keywords
Famennian; Sappington Formation; Montana; Biological affinity; Enclosing envelope
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Palynological investigation of samples from the Unit 1 of the Sappington Formation in Montana, USA, identified a new taxon, Involusphaeridium gutschicki gen. et sp. nov., which is proposed to have links with algal or fungal groups, as well as possibly with arthropod eggs.
Palynological investigation carried on the samples from the Unit 1 of the Sappington Formation (Upper Famennian, Montana, USA) reveals a presence of rich phytoplankton and microflora assemblages. The presence of spheroidal vesicles approx. 20 mu m in diameter having a rigid smooth wall and frequently arranged in clusters connected by an external coating are proposed as a new taxon named Involusphaeridium gutschicki gen. et sp. nov. The coating on individual vesicles and colonies of I. gutschicki gen. et sp. nov. suggests a link with algal or fungal groups but also, with the eggs of arthropods. Hence, it is considered as incertae sedis (acritarch group). (C) 2020 Elsevier B.V. All rights reserved.
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