Foraminifera taxon details

Jenkinsina Haynes, 1981 †

To Mikrotax (Jenkinsina Haynes, 1981)
To Mikrotax (Jenkin...

827016  (urn:lsid:marinespecies.org:taxname:827016)

accepted
Genus
marine
fossil only
feminine
Haynes, J.R. 1981. Foraminifera. Macmillan, London., available online at https://doi.org/10.1007/978-1-349-05397-1
page(s): pp. 313, 342 [details]   
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2021). World Foraminifera Database. Jenkinsina Haynes, 1981 †. Accessed at: http://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=827016 on 2021-02-25
Date
action
by
2014-11-30 09:08:32Z
created
2017-08-10 08:01:47Z
changed
2017-12-24 11:28:33Z
changed
2020-02-08 17:32:40Z
changed

original description Haynes, J.R. 1981. Foraminifera. Macmillan, London., available online at https://doi.org/10.1007/978-1-349-05397-1
page(s): pp. 313, 342 [details]   

additional source Fucek, V.P., Kucenjak, M.H., Huber, B.T. (2018). Taxonomy, biostratigraphy, and phylogeny of Oligocene Chiloguembelina and Jenkinsina. <em>Cushman Foundation for Foraminiferal Research Special Publication.</em> 46: 459-480. [details]   
From editor or global species database
Additional information Haynes (1981) distinguished Jenkinsina from Guembelitria based on the absence of pore mounds. In a study of Paleogene triserial planktonic foraminifera, Jenkins and others (1998) supported this distinction with SEM images of well-preserved specimens of both genera. Although Loeblich and Tappan (1988) considered Jenkinsina to be a junior synonym of Chiloguembelitria Hofker (1978) based on SEM observation of topotypes of the type species of both genera (the primary type specimens have been lost), further SEM study of topotype material led Jenkins and others (1998) to conclude that the type species of Chiloguembelitria, C. danica Hofker (1978), does have pore mounds and therefore is not synonymous.
SEM observation of the shell microstructure of a well preserved specimen of Jenkinsina columbiana (Pl. 16.1, Figs. 10-11) reveals that it has a monolamellar wall. This seems to be a consistent feature of the microperforates, as it has been observed in Guembelitria cretacea and several species of Tenuitella.
[Huber et al. 2006] [details]
To Mikrotax (Jenkinsina Haynes, 1981)
To Mikrotax (Jenkin...
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