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Porosoma
Taxonomy
Porosoma was named by Cotteau (1856) [Sepkoski's age data: K Nc T Ol-l]. It is not extant. Its type is Cyphosoma cribrum.
It was assigned to Phymosomatidae by Fell and Pawson (1966), Wagner (1972) and Geys (1980); and to Phymosomatoida by Sepkoski (2002).
It was assigned to Phymosomatidae by Fell and Pawson (1966), Wagner (1972) and Geys (1980); and to Phymosomatoida by Sepkoski (2002).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1855 | Coptosoma Desor |
| 1856 | Porosoma Cotteau |
| 1886 | Microsoma Cotteau p. 715 |
| 1891 | Cyphosoma (Coptosoma) Böhm p. 96 |
| 1915 | Coptosoma Clark and Twitchell p. 61 |
| 1941 | Microsoma Cooke p. 12 |
| 1966 | Porosoma Fell and Pawson p. U402 |
| 1972 | Porosoma Wagner p. 652 |
| 1980 | Porosoma Geys p. 218 |
| 2002 | Porosoma 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. †Porosoma Cotteau 1856
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†Porosoma cribrum Agassiz 1840
†Porosoma fifei Wagner 1972
†Porosoma lamberti Checchia-Rispoli 1950
†Porosoma maeandrinum Schluter 1881
†Porosoma reesidei Cooke 1953
Invalid names: Coptosoma Desor 1855 [replaced], Microsoma Cotteau 1886 [synonym]
Diagnosis
No diagnoses are available