Gephyrocapsa ericsonii


Classification: ntax_cenozoic -> Isochrysidales -> Noelaerhabdaceae -> Gephyrocapsa -> Gephyrocapsa ericsonii
Sister taxa: G. oceanica, G. muellerae, G. ornata, G. ericsonii, G. sp elevated bridge ⟩⟨ G. caribbeanica, G. omega, G. lumina, G. small, G. sp.

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:

Citation: Gephyrocapsa ericsonii (McIntyre & Bé, 1967)
Rank: Species
Basionym: Gephyrocapsa ericsonii McIntyre & Bé, 1967
Synonyms:
Variants:
Taxonomic discussion: In the fossil record Gephyrocapsa specimens <3µm long are usually simply identified as "small Gephyrocapsa"

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:
TagsLITHS: placolith, elliptical, CA: ca_conjunct, grill, bar,
CSPH: equant, monomorphic, CROSS-POLARS: rim-unicyclic, R-prominent,
MetricsLith size: 1.5->2.3µm; Coccosphere size: 3->4µm; Liths per sphere: 12->21
Data source notes: RCC
The morphological data given here can be used on the advanced search page. See also these notes

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:

References:

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. gs


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Gephyrocapsa ericsonii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 7-3-2021

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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



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