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Octactis

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Journal Article
Published: 24 June 2016
Journal of Micropalaeontology (2016) 35 (2): 190-194.
...Kevin McCartney; Richard W. Jordan; Kenta Abe Abstract It has long been assumed that Octactis and Stephanocha (previously known as Distephanus ) are closely related. Both have apical rings, but with Octactis possessing an apical ring of larger diameter relative to the basal ring and made of thinner...
FIGURES
Journal Article
Published: 18 April 1985
Micropaleontology (1985) 31 (1): 76-81.
Image
Reprint of illustrations from  Hovasse (1932)  showing  <b>Octactis</b>  with inco...
Published: 24 June 2016
Fig. 1. Reprint of illustrations from Hovasse (1932) showing Octactis with incomplete daughter skeletons. ( a ) Double skeleton with the daughter (right) consisting only of an apical ring. ( b ) Isolated daughter skeleton that lacks apical structure. ( c ) Single Octactis skeleton that has
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Scanning electron microscope photographs of  <b>Octactis</b> pulchra  var.  pulchr...
Published: 24 June 2016
Fig. 2. Scanning electron microscope photographs of Octactis pulchra var. pulchra (scale bar 10 µm). 1. Double skeleton, apical axis view, sample Seto-49. 2. Double skeleton, with daughter skeleton in forefront, apical axis view, sample Seto-65. 3. Double skeleton, with daughter
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SEM micrographs of double and single skeletons.  1.  Double skeleton of  Di...
Published: 24 June 2016
Fig. 2. SEM micrographs of double and single skeletons. 1. Double skeleton of Dictyocha stapedia Haeckel, Seto Inland Sea, Japan, Recent, lateral view. 2. Double skeleton of Octactis pulchra var. pulchra Schiller, Seto Inland Sea, Japan, Recent, oblique apical axis view. 3. Double
Journal Article
Published: 24 June 2016
Journal of Micropalaeontology (2016) 35 (2): 179-189.
...Fig. 2. SEM micrographs of double and single skeletons. 1. Double skeleton of Dictyocha stapedia Haeckel, Seto Inland Sea, Japan, Recent, lateral view. 2. Double skeleton of Octactis pulchra var. pulchra Schiller, Seto Inland Sea, Japan, Recent, oblique apical axis view. 3. Double...
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Journal Article
Published: 01 December 2010
Journal of Micropalaeontology (2010) 29 (2): 185-186.
... sediments from the Mediterranean Sea . In: Ryan W.B.F. Hsü K.J. , Initial Reports of the Deep Sea Drilling Project . US Govt Printing Office , Washington , 13 : 902 – 933 . Ling H.-L. Takahashi K. 1985 . The silicoflagellate genus Octactis Schiller 1925...
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Journal Article
Journal: Paleobiology
Published: 01 June 2012
Paleobiology (2012) 38 (3): 391-402.
... to eight spines (Dictyocha, Octactis, and Distephanus) alongside the disappearance of groups with fewer than three spines (Corbisema, Lyramula, and Naviculopsis). The median remains close to four throughout the Cenozoic primarily because Dictyocha (mostly species with four spines) are often the most common...
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Journal Article
Published: 17 May 2016
Journal of Micropalaeontology (2016) 35 (2): 143-149.
... , K. , Fukunaga , Y. , Narita , H. & Jordan , R.W. 2015 . Silicoflagellates and ebridians from the Seto Inland Sea and Kuroshio, including the description of Octactis pulchra var. takahashii var. nov . Journal of Nannoplankton Research , 35 , 111 – 128 . Barron...
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