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Perispyridium
Taxonomy
Perispyridium was named by Dumitrica (1978) [Sepkoski's age data: J Toar-u J Tith-u Sepkoski's reference number: 155,156,763]. It is not extant.
It was assigned to Eptingiidae by Hull (1997); and to Nassellaria by Sepkoski (2002).
It was assigned to Eptingiidae by Hull (1997); and to Nassellaria by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1978 | Perispyridium Dumitrica |
1987 | Protoperispyridium Yeh p. 91 |
1997 | Perispyridium Hull p. 80 |
2001 | Protoperispyridium De Wever et al. p. 188 |
2002 | Perispyridium Sepkoski |
2002 | Protoperispyridium 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. †Perispyridium Dumitrica 1978
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†Perispyridium apertum Yeh 2011
†Perispyridium darwini MacLeod 1988
†Perispyridium dettermani Pessagno and Blome 1982
†Perispyridium dumitricai Pessagno and Blome 1982
†Perispyridium facetum Pessagno and Blome 1982
†Perispyridium gujohachimanense Takemura 1986
†Perispyridium hippaense Carter et al. 1988
†Perispyridium ordinarium Pessagno 1977
†Perispyridium oregonense Yeh 1987
†Perispyridium schopfi MacLeod 1988
†Perispyridium serratum Kiessling 1999
†Perispyridium tamarackense Pessagno and Blome 1982
†Perispyridium trifolium Kiessling 1999
†Perispyridium whalenae Yeh 2009
Invalid names: Protoperispyridium Yeh 1987 [synonym]
Diagnosis
No diagnoses are available