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Lepidocyclina (Polylepidina) chiapasensis Vaughan, 1924
Description Mitchell S.F., Robinson E., Özcan E., Jiang M.M. & Robinson N. (2022).- A larger benthic foraminiferal zonation for the Eocene of the Caribbean and central American region.- Carnets Geol., Madrid, vol. 22, no. 11, p. 409-565. , available online at https://doi.org/10.2110/carnets.2022.2211Figure 75: Specimens from the type material of Polylepidina chiapasensis Vaughan, 1923. 1, off-centre equatorial section (USNM 269273), cut from same block as type specimens. 2, off-centre equatorial section (USNM 324726), figured by Vaughan, 1929a. Note that both have two PACs (although difficult to see in 1) and that the PACs are of similar size in 2; note two spirals with asymmetrical closing chamber (cc) in 2. Since these are off-centre sections we do not see all the peri-embryonic spires that are developed; 2 clearly shows two spires developing from two large PACs and a closing chamber (cc) that is asymmetrical to the spire development. JPG file - 30.63 kB - 400 x 160 pixels
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added on 2023-08-04138 viewsForaminifera taxa Lepidocyclina (Polylepidina) chiapasensis Vaughan, 1924 † accepted as Polylepidina chiapasensis (Vaughan, 1924) †checked Le Coze, François 2023-08-04
FileName: 165891.jpg
FileDateTime: 1691159352
FileSize: 30634
FileType: 2
MimeType: image/jpeg
SectionsFound: ANY_TAG, IFD0, THUMBNAIL, EXIF
COMPUTED.html: width="400" height="160"
COMPUTED.Height: 160
COMPUTED.Width: 400
COMPUTED.IsColor: 0
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COMPUTED.Thumbnail.MimeType: image/jpeg
DateTime: 2022:06:21 00:50:52
Exif_IFD_Pointer: 58
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