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Bachmannocena

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Journal Article
Published: 24 June 2016
Journal of Micropalaeontology (2016) 35 (2): 190-194.
... understood. Such skeletons are also found singly after disarticulation, and have a strong resemblance to those of fossil Bachmannocena (formerly known as Mesocena ), which also has a flat basal ring lacking apical structures and pikes. The hypothesis that Octactis evolved from Bachmannocena rather than from...
FIGURES
Image
Scanning electron microscope photographs of  <b>Bachmannocena</b>  (scale bar 10 µ...
Published: 24 June 2016
Fig. 3. Scanning electron microscope photographs of Bachmannocena (scale bar 10 µm) from Moron, Spain (middle or late Miocene): 1. Bachmannocena circulus (Ehrenberg) Bukry; 2. B. quadrangula (Ehrenberg ex Haeckel) Bukry.
Image
1— Actinoptychus heliopelta  Grunow, sample Bethany Beach, 1142.3 ft. 2— Ac...
in > Geosphere
Published: 01 October 2013
— Proboscia praebarboi (Schrader) Jordan and Priddle, sample 29A-141R-1, 80 cm. 14, 15— Rhaphoneis fossile (Grunow) Andrews, sample Bethany Beach, 1242 ft. 16— Bachmannocena quadrangula (Ehrenberg ex Haeckel) Locker, sample 29A-87R-2, 44 cm (silicoflagellate). 17— Bachmannocena apiculata curvata (Schulz
Journal Article
Journal: Geosphere
Published: 01 October 2013
Geosphere (2013) 9 (5): 1286-1302.
...— Proboscia praebarboi (Schrader) Jordan and Priddle, sample 29A-141R-1, 80 cm. 14, 15— Rhaphoneis fossile (Grunow) Andrews, sample Bethany Beach, 1242 ft. 16— Bachmannocena quadrangula (Ehrenberg ex Haeckel) Locker, sample 29A-87R-2, 44 cm (silicoflagellate). 17— Bachmannocena apiculata curvata (Schulz...
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Journal Article
Published: 24 June 2016
Journal of Micropalaeontology (2016) 35 (2): 179-189.
...; an example is a group of bridged morphologies associated with Stephanocha speculum (Ehrenberg) McCartney & Jordan ( Fig. 4:5 ) . Not figured in this paper are skeletal morphologies that consist of a basal ring without apical structure that are commonly grouped into Bachmannocena Locker (see Bukry...
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