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Ellipsoidella
Taxonomy
Ellipsoidella was named by Heron-Allen and Earland (1910) [Sepkoski's age data: K Ceno-l K Turo Sepkoski's reference number: 959]. It was considered unknown by Hayward et al. (2012).
It was assigned to Foraminiferida by Sepkoski (2002); and to Ellipsoidinidae by Hayward et al. (2012).
It was assigned to Foraminiferida by Sepkoski (2002); and to Ellipsoidinidae by Hayward et al. (2012).
Synonymy list
Year | Name and author |
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1910 | Ellipsoidella Heron-Allen and Earland |
2002 | Ellipsoidella Sepkoski |
2012 | Ellipsoidella Hayward et al. p. 198 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Ellipsoidella Heron-Allen and Earland 1910
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Diagnosis
Reference | Diagnosis | |
---|---|---|
B.W. Hayward et al. 2012 | Test biserial early, becoming cuneate uniserial later, never fully rectilinear; aperture terminal, low-arched slit, with a central circular internal tube linking
foramina; commonly with a raised lip on one side. (Late Cretaceous–early Pleistocene) |