Where: Cyprus (35.1° N, 33.7° E: paleocoordinates 28.2° N, 29.4° E)
• outcrop-level geographic resolution
When: Lefkara Formation, Ypresian (56.0 - 47.8 Ma)
• STRATIGRAPHIC RELATIONS: From the Lefkara Formation, which overlies the Kannaviou Fm (Campanian-Maastrichtian), and is overlain by the Pakhna Fm (Early-Middle Miocene). AGE: Ypresian, on the basis of radiolarian and foraminiferal biostratigraphy; planktonic foram zone P9; radiolarian zone RP11. STRATIGRAPHIC POSITION: From 52 m in inset of figure 3.
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified, cherty/siliceous chalk
Size class: microfossils
Collection methods: bulk, hydroflouric, sieve,
• PREPARATION TECHNIQUES: The Yigitler chert samples were processed using the Pessagno and Newport (1972) technique using diluted hydrofluoric acid (5-10%). The extracted radiolarians and planktonic foraminifera have been studied using a Nikon SMZ-2B light microscope, and the SEM
•Cambridge Stereoscan 600 was used for more precise determinations and photographic work at METU, Department of Metalogeny Engineering. Cleaned radiolarian residues were sieved using a 63μm sieve,
•pipetted evenly onto labeled glass slides with an eyedropper, and the accompanying water evaporated without boiling. When completely dry, air was expelled from the skeletons by the addition
•of a few drops of xylene. The preparations are mounted in Canada balsam or Caedax according to the refractive index of the skeletons. Samples with a high proportion of large siliceous microfossils were separated by sieving into two size fractions: 63-150μm, and coarser than 150μm (Sanfilippo et al. 1985), and slides made from each fraction. Estimates, based on one slide, of total radiolarian abundance in each sample are expressed as trace (<150), R (rare >151 and <500), C (common >501 and <3000), and A (abundant >3001). COLLECTOR: Presumably the authors. REPOSITORY: Not stated in text.
Primary reference: A. Sanfilippo, A. Hakyemez, and U.K. Tekin. 2003. Biostratigraphy of Late Paleocene- Middle Eocene radiolarians and foraminifera from Cyprus. Micropaleontology 49(1-2):47-64 [D. Lazarus/M. Broehl]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 90892: authorized by Austin Hendy, entered by Austin Hendy on 23.08.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Foraminifera | |
Protozoa | |
Spongatractus pachystylus Ehrenberg 1873 radiolarian
Stylosphaera coronata radiolarian | |
Periphaena tipyramis radiolarian | |
"Lychnocanium bellum" = Lychnocanoma bellum
"Lychnocanium bellum" = Lychnocanoma bellum Clark and Campbell 1942 radiolarian | |
"Podocyrtis (Podocyrtis) platypus" = Podocyrtis (Podocyrtoges) platypus, "Podocyrtis sinuosa" = Podocyrtis (Lampterium) sinuosa, Podocyrtis diamesa, Podocyrtis (Podocyrtis) papalis
"Podocyrtis (Podocyrtis) platypus" = Podocyrtis (Podocyrtoges) platypus Sanfilippo and Riedel 1973 radiolarian
"Podocyrtis sinuosa" = Podocyrtis (Lampterium) sinuosa Ehrenberg 1873 radiolarian
Podocyrtis diamesa Riedel and Sanfilippo 1970 radiolarian
Podocyrtis (Podocyrtis) papalis Ehrenberg 1847 radiolarian | |
Dictyoprora cf. amphora Haeckel) 1887 radiolarian
Dictyoprora mongolfieri Ehrenberg 1854 radiolarian | |
Ceratospyris articulata Ehrenberg 1873 radiolarian | |
Calocyclas hispida Ehrenberg) 1873 radiolarian
Calocycloma castum radiolarian
Phormocyrtis striata Brandt in Wetzel 1935 radiolarian | |
Theocotylissa ficus, Theocotyle nigriniae, Theocotyle cryptocephala, Theocotyle venezuelensis, Lamptonium fabaeforme, Thyrsocyrtis tensa, Thyrsocyrtis (Thyrsocyrtis) rhizodon, Thyrsocyrtis (Thyrsocyrtis) hirsuta
Theocotylissa ficus Ehrenberg 1873 radiolarian
Theocotyle nigriniae Riedel and Sanfilippo 1970 radiolarian
Theocotyle cryptocephala Ehrenberg 1873 radiolarian
Theocotyle venezuelensis Riedel and Sanfilippo 1970 radiolarian
Lamptonium fabaeforme radiolarian
Thyrsocyrtis tensa Foreman 1973 radiolarian
Thyrsocyrtis (Thyrsocyrtis) rhizodon Ehrenberg 1873 radiolarian
Thyrsocyrtis (Thyrsocyrtis) hirsuta Krasheninnikov 1960 radiolarian | |
Lophocyrtis biaurita Ehrenberg 1873 radiolarian | |
Lithochytris vespertilio, Theocorys anaclasta, Rhopalocanium ornatum, Lychnocanium cf. babylonis, Dictyophimus craticulata
Lithochytris vespertilio Ehrenberg 1873 radiolarian
Theocorys anaclasta Riedel and Sanfilippo 1970 radiolarian
Rhopalocanium ornatum Ehrenberg 1847 radiolarian
Lychnocanium cf. babylonis radiolarian
Dictyophimus craticulata radiolarian | |
Amphicraspedum prolixum radiolarian |