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Spongoplegma
Taxonomy
Spongoplegma was named by Haeckel (1882) [Sepkoski's age data: T Mi-m R Sepkoski's reference number: ZR72]. It is extant. It was considered unknown by Haeckel (1882).
It was assigned to Actinommidae by Haeckel (1882); and to Spumellaria by Sepkoski (2002).
It was assigned to Actinommidae by Haeckel (1882); and to Spumellaria by Sepkoski (2002).
Species
Synonyms
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Synonymy list
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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. Spongoplegma Haeckel 1882
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†Spongoplegma australe Hinde 1899
†Spongoplegma brevisphaera Aberdeen 1940
†Spongoplegma longispinosa Aberdeen 1940
Invalid names: Spongoplegma priscum Hinde 1890 [nomen dubium]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. Haeckel 1882 | Tribe: Plegmosphaerida. Spongosphaeria without spines, with the external surface of the spongy spherical test smooth or rough, but without spines.
A.With one or more medullary tests (latticed, spherical, central tests) in the center of the spongy sphere. AI. With single medullary shell. (Translated from Latin by E.M.R. and W.R.R.)] |