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Sphaerophycus parvum

Coccogoneae - Chroococcales - Chroococcaceae

Taxonomy
Sphaerophycus parvum was named by Schopf (1968). It is considered to be a form taxon. Its type specimen is Harvard Univ. 58472; stage coordinates 51.5 x 104.2 and is a 3D body fossil. Its type locality is North of Ross River Tourist Camp, which is in a Tonian peritidal chert in the Bitter Springs Formation of Australia. It is the type species of Sphaerophycus.

It was corrected as Sphaerophycus parvus by Muir (1976).

Synonymy list
YearName and author
1968Sphaerophycus parvum Schopf p. 672 figs. Pl 80, figs 4-10
1976Sphaerophycus parvum Hofmann p. 1058 figs. Pl 3, figs 1-6
1976Sphaerophycus parvus Muir p. 149
1977Sphaerophycus parvum Oehler p. 343 fig. 12H,I
1978Sphaerophycus parvum Oehler p. 293 fig. 10R,S
1980Sphaerophycus parvum Horodyski and Donaldson p. 140 figs. 5A-D,E?,F?,G?,H?,I?, 6A,B
1989Sphaerophycus parvum Allison and Awramik p. 271 fig. 7.5
1991Sphaerophycus parvum Hofmann and Jackson p. 374 figs. 8.9, 8.10, 8.11?, 10.1-10.3
1997Sphaerophycus parvum Amard and Bertrand-Sarfati p. 209 fig. 7G

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RankNameAuthor
—Life
—Prokaryota
—Bacteria
phylumCyanobacteriaStanier 1973
classCoccogoneaeThuret 1975
RankNameAuthor
orderChroococcales
familyChroococcaceae
genusSphaerophycus
speciesparvum

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.

†Sphaerophycus parvum Schopf 1968
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Environment: hypersaline, marine, brackish, freshwaterp
Locomotion: stationaryp
Diet: "photoautotroph"p
Created: 2007-12-04 09:01:31
Modified: 2007-12-04 11:01:31
Source: p = phylum
Reference: Vachard and Aretz 2004

Age range: base of the Orosirian to the top of the Tonian or 2050.00000 to 850.00000 Ma

Collections (30 total)


Time interval Ma Country or state Original ID and collection number
Orosirian2050.0 - 1800.0Gabon Sphaerophycus parvum (227624)
Orosirian2050.0 - 1800.0Canada (Nunavut) Sphaerophycus parvum (227439 227441 227442 227444 227449)
Statherian1800.0 - 1600.0Canada (Nunavut) Sphaerophycus parvum (227620)
Statherian1800.0 - 1600.0Australia (Northern Territory) Sphaerophycus parvum (227590)
Calymmian1600.0 - 1400.0Australia (Northern Territory) Sphaerophycus parvum (227558)
Ectasian1400.0 - 1200.0Canada (Nunavut) Sphaerophycus parvum (227526)
Stenian1200.0 - 1000.0Canada (Nunavut) Sphaerophycus parvum (227546 227547 227548 227549 227553 227554)
Tonian1000.0 - 850.0Canada (Yukon) Sphaerophycus parvum (148717 148718 148720 227529 227531 227536 227537)
Tonian1000.0 - 850.0Australia (Northern Territory) Sphaerophycus parvum (type locality: 227452 227538)
Tonian1000.0 - 850.0Greenland Sphaerophycus parvum (227745 227746 227747 227748 227749)