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Loxostomum
Taxonomy
Loxostomum was named by Ehrenberg (1854) [Sepkoski's age data: K Coni-u T Pale]. It was considered unknown by Loeblich and Tappan (1962).
It was assigned to Loxostomatidae by Loeblich and Tappan (1962); and to Foraminiferida by Sepkoski (2002).
It was assigned to Loxostomatidae by Loeblich and Tappan (1962); and to Foraminiferida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1854 | Loxostomum Ehrenberg p. 22 |
| 1962 | Loxostomum Loeblich and Tappan p. 110 |
| 2002 | Loxostomum Sepkoski |
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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. †Loxostomum Ehrenberg 1854
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. R. Loeblich and H. Tappan 1962 | Test elongate, compressed, quadrate in section, with flat or concave sides; chambers biserially arranged throughout, strongly overlapping and arched in the adult with a tendency to become uniserial; sutures limbate, arched, the sutural thickening merging laterally into the longitudinal carinae at the four margins; wall calcareous, finely perforate; aperture terminal, slit-like to ovate, commonly with a lip which may be very finely tuberculate, but lacking any internal toothplate. |