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Xiphosphaera
Taxonomy
Xiphosphaera was named by Haeckel (1882) [1b. Tribe: Xiphostylida. Monosphaeria with two spines (two opposite spines, situated in one axis). A. With spines free, not joined by a ring. AI. With both spines equal, similar in form and size. (Translated from Latin by E.M.R. and W.R.R.)]. It is extant. It was considered monophyletic by Haeckel (1882).
It was assigned to Pantanelliidae by Haeckel (1882).
It was assigned to Pantanelliidae by Haeckel (1882).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1882 | Xiphosphaera Haeckel |
| 1892 | Xiphosphaera macrostyla Rüst |
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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. Xiphosphaera Haeckel 1882
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†Xiphosphaera brachyacantha Ruedemann and Wilson 1936
†Xiphosphaera macracantha Ruedemann and Wilson 1936
†Xiphosphaera parva Ruedemann and Wilson 1936
†Xiphosphaera spinifera Pulfrey 1932
Invalid names: Xiphosphaera macrostyla Rüst 1892 [nomen dubium]
Diagnosis
No diagnoses are available