Reticulofenestra simillimus
Set number: 1692
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Set number: 1691
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Set number: 1062
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Set number: 1052
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Fig 1 & 4. Malta, Middle Miocene; Fig.1. Coccosphere 6.7 µm, Coccolith 2.8 µm; Fig. 4. 2.0 µm
Fig 2. Adana Basin, Turkey, Late Miocene, Coccosphere 4.7 µm, Coccolith 2.3 µm
Fig 3. Antalya Basin, Early Pliocene 2.1 µm
Discolithus simillimus Deflandre & Fert, 1954
Diameter of the central area > width of pelaga
Discolithus alimaniensis Deflandre & Fert, 1954 [Holotype: 2.6µm; Type level: Oligocene]
Cyathosphaera martinii Hay & Towe, 1962a [Holotype: 2.2µm; Type level: Early Eocene]
Coccolithus joensuui Roth & Hay in Hay et al., 1967 [Holotype: 2.8µm; Type level: Oligocene]
Reticulofenestra pectinata Roth, 1970 [Holotype: 3.5µm; Type level: Oligocene]
Reticulofenestra inclinata Roth, 1970 [Holotype: 3.8µm; Type level: Oligocene]
Reticulofenestra gabrielae Roth, 1970 [Holotype: 1.8µm; Type level: Oligocene]
Crenalithus parvulus Okada & McIntyre 1977 [Holotype: 3.0-3.8µm ; Type level: Extant]
Crenalithus punctatus Okada & McIntyre, 1977 [Holotype: 2.0-3.0µm; Type level: Recent]
A small-sized (<4.0µm) species of Reticulofenestra has a broader central opening than the width of the pelaga.
Deflandre, G. & Fert, C. 1954. Observations on current and fossil coccolithophorids in ordinary and electron microscopy. Annales de Paléontologie 40: 115-176.
Hay, W. W. & Towe, K. M., 1962a. Electron microscope examination of some coccoliths from Donzacq (France). Eclogae Geologicae Helvetiae 55: 497-517.
Roth, P. H. 1970. Oligocene calcareous nannoplankton biostratigraphy. Eclogae Geologicae Helvetiae 63: 799-881.
Hay, W. W., Mohler, H. P., Roth, P. H., Schmidt, R. R. & Boudreaux, J. E. 1967. Calcareous nannoplankton zonation of the Cenozoic of the Gulf Coast and Caribbean-Antillean area, and transoceanic correlation. - Transactions of the Gulf-Coast Association of Geological Societies 17: 428-480.
Okada, H., McIntyre, A., 1977. Modern coccolithophores of the Pacific and North Atlantic Oceans. Micropaleontology 23(1), 1-55.
Holotype
Discolithus simillimus
Deflandre & Fert, 1954
Miocene - Pliocene
El Mehdi, Oranie, Algeria