Reticulofenestra dictyoda
Set number: 1686
-
1
-
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
10µm
Set number: 1049
-
1
-
2
-
3
-
4
-
5
10µm
Figs 1-2. Antalya-Manavgat Road, Turkey, Late Miocene; Fig. 1. Coccosphere: 8.8µm, Coccoliths: 5.4µm; Fig. 2. Coccosphere: 13.2µm, Coccoliths: 6.2µm
Figs. 3-5. Malta, Middle Miocene, Coccosphere: 10.9µm, Coccoliths: 6.2µm ; Fig 4. Coccosphere: 12.5µm, Coccoliths: 6.6µm; Fig 5. Coccosphere: 10.5µm, Coccoliths: 5.9µm
Set number: 1687
-
1
-
2
-
3
-
4
Figs. 1-2. Malta; Fig. 1. 6.1µm; Fig. 2. 6.4µm
Figs. 3-4. Silifke, Turkey; Both 5.3µm
Set number: 1050
-
1
-
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
Fig. 1. Hatay, Turkey, Middle Miocene, 4.5µm:
Figs. 2-4. Adana Basin, Turkey, Late Miocene; Fig. 2. 5.2µm: Fig. 3. 5.4µm; Fig. 4. 4.8µm;
Figs. 5-11. Malta, Turkey, Middle Miocene; 6.2µm: Fig 6. 4.8µm: Fig 7. 4.0µm: Fig 8. 6.2µm; Fig. 9 5.4µm; Fig. 10.4.6µm; Fig 11. 4.8µm;
Figures 12-16. Silifke, Turkey, Middle Miocene; Fig. 12.5.3µm; Fig. 13.5.4µm; Fig. 14.5.8µm; Figs. 15-16. 5.3µm
Set number: 1051
-
1
-
2
-
3
Fig. 1. Adana Basin, Turkey, Late Miocene, 6.2µm;
Fig. 2. Mut Basin, Turkey, Early Miocene, 6.1µm;
Fig. 3. Malta, Middle Miocene, 6.1µm
Discolithus dictyodus Deflandre & Fert, 1954
Width of the central area < width of pelaga
Coccolithus bryonalis Reinhardt, 1967 [Holotype: 6.0µm; Type level: Eocene 5]
Coccolithus hantoniensis Hodson & West 1970 [Holotype: 5.8µm; Type level: Eocene]
Reticulofenestra prebisecta Aubry, 1983 [Holotype: 5.2µm; Type level: Middle Eocene], very narrow central area
Reticulofenestra donghaiensis Wang & Huang, 1989 [Holotype: 4.5µm; Type level: Middle Eocene]
Reticulofenestra lingfengensis Wang & Huang 1989 [Holotype: 5.0m; Type level: Middle Eocene]
Reticulofenestra ampla Sato et al., 1991 [Holotype: 6.6µm; Type level: Miocene-Late Pliocene]
A medium-sized (4.0-8.0µm) species of Reticulofenestra has a narrower central opening than the width of the pelaga.
Aubry, M.-P. 1983. Biostratigraphy of the epicontinental Paleogene of Northwestern Europe. Study Based on Calcareous Nannofossils. Documents from the geology laboratories of Lyon. 89: 1-317.
Deflandre, G. & Fert, C. 1954. Observations on current and fossil coccolithophorids in ordinary and electron microscopy. Annales de Paléontologie 40: 115-176.
Hodson, F. & West, I. M. 1970. Calcareous nannoplankton from an Upper Bracklesham horizon at Fawley, Hampshire. Revue de Micropaléontologie. 13: 165-187.
Reinhardt, P. 1967. Fossile Coccolithen mit rhagoidem Zentralfeld (Fam. Ahmuellerellaceae, Subord. Coccolithineae). Neues Jahrbuch für Geologie und Paläontologie, Monatshefte. 1967: 163-178.
Sato, T., Kameo, K., Takayama, T., 1991. Coccolith biostratigraphy of the Arabian Sea. Proceedings of the Ocean Drilling Program, Scientific Results 117, 37-54.
Stradner, H. & Edwards, A. R. 1968. Electron microscopic studies on Upper Eocene coccoliths from the Oamaru Diatomite, New Zealand. Jahrbuch der Geologischen Bundesanstalt. 13(66): 1-48.
Wang, C. & Huang, W. 1989. Calcareous nannofossils. Geol. Pub. House, Beijing. 202-252.
Holotype
Discolithus dictyodus
Deflandre & Fert, 1954
Oligocene
Oamaru Diatomite, New Zelland