Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
Gephyrocapsa ericsonii ericsonii type distal shield without slits | ||||
Gephyrocapsa ericsonii protohuxleyi type distal shield with slits between the elements | ||||
Gephyrocapsa ericsonii protohuxleyi type with half bridge distal shield with slits between the elements and bridge only half-formed | ||||
Gephyrocapsa ericsonii protohuxleyi type with thorn distal shield with slits between the elements and additional spine or spines | ||||
![]() | ![]() | Gephyrocapsa ericsonii crassipons type Well calcfied with robust & low profile bridge |
Taxonomy:
Distinguishing features: Very small species of Gephyrocapsa; bridge at high to intermediate angle to short axis; wide central area, thin bridge.
Farinacci & Howe catalog pages: G. ericsonii * , G. crassipons * , G. undulatus *
Size: Coccospheres, 3 to 5 µm; coccoliths, 1.4 to 2.3 µm long.
Cultures: strains of this species are maintained in culture, for details see Roscoff culture collection.
See also: Gephyrocapsa small ;
Search data:Tags | LITHS: placolith, elliptical, CA: ca_conjunct, grill, bar, CSPH: equant, monomorphic, CROSS-POLARS: rim-unicyclic, R-prominent, |
Metrics | Lith size: 1.5->2.3µm; Coccosphere size: 3->4µm; Liths per sphere: 12->21 Data source notes: RCC |
Geological Range:
Last occurrence (top): Extant Data source: present in the plankton (Young et al. 2003)
First occurrence (base): within Middle Pleistocene Sub-Epoch (0.13-0.78Ma, base in Ionian stage). Data source: [JRY rough estimate]
Plot of occurrence data:
Lecal, J. (1967). Le nannoplancton des Côtes d'Israel. Hydrobiologia. 29: 305-387. gs McIntyre, A. & Bé, A. W. H. (1967b). Modern Coccolithophoridae of the Atlantic Ocean - I. Placoliths and Cyrtholiths. Deep-Sea Research and Oceanographic Abstracts. 14: 561-597. gs Okada, H. & McIntyre, A. (1977). Modern coccolithophores of the Pacific and North Atlantic Oceans. Micropaleontology. 23(1): 1-55. gsReferences:
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Gephyrocapsa ericsonii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 12-4-2021
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=606 Go to Archive.is to create a permanent copy of this page - citation notes |