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Oligosphaeridium complex

Dinophyceae - Gonyaulacales - Gonyaulacaceae

Taxonomy
Oligosphaeridium complex was named by Davey and Williams (1966). It is not extant. Its type specimen is Dinoflagellate, an other (Dinocyst).

Synonymy list
YearName and author
1966Oligosphaeridium complex Davey and Williams
1976Oligosphaeridium complex Lakhanpal et al.
2004Oligosphaeridium complex Marenssi et al. p. 918

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RankNameAuthor
—Life
—Eukaryota()
—Chromalveolata
—Alveolata
—Myzozoa
subphylumDinozoa
RankNameAuthor
superclassDinoflagellata
classDinophyceae
orderGonyaulacales
familyGonyaulacaceae
genusOligosphaeridiumDavey and Williams 1966
speciescomplexDavey and Williams 1966

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.

†Oligosphaeridium complex Davey and Williams 1966
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range: base of the Early/Lower Valanginian to the top of the Maastrichtian or 137.05000 to 66.00000 Ma

Collections (91 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Cretaceous143.1 - 100.5India (Tamil Nadu) Oligosphaeridium complex (224609)
Early/Lower Valanginian137.05 - 132.6Greenland Oligosphaeridium complex (66558)
Late/Upper Valanginian137.05 - 132.6Russian Federation Oligosphaeridium complex (65459 65751)
Valanginian137.05 - 132.6Russian Federation Oligosphaeridium complex (65458)
Valanginian - Barremian137.05 - 121.4Chile (Doceava Región) Oligosphaeridium complex (150016 150027 150032 150035)
Early/Lower Hauterivian132.6 - 125.77Russian Federation Oligosphaeridium complex (65754)
Late/Upper Hauterivian132.6 - 125.77Argentina (Neuquén) Oligosphaeridium complex (150584)
Barremian125.77 - 121.4Egypt (El Wadi El Gadid) Oligosphaeridium complex (139495 139497 139499)
Barremian - Aptian125.77 - 113.2Chile (Doceava Región) Oligosphaeridium complex (150023 150024)
Barremian - Albian125.77 - 100.5Israel (Southern Coastal Plain) Oligosphaeridium complex (144153 144154)
Early/Lower Aptian121.4 - 119.57Antarctica Oligosphaeridium complex (150202)
Aptian121.4 - 113.2Ghana Oligosphaeridium complex (142266 142269 142270)
Late/Upper Aptian - Early/Lower Albian119.57 - 110.1Brazil (Sergipe) Oligosphaeridium complex (169695 169696 169729 169734 169739)
Albian113.2 - 100.5Ghana Oligosphaeridium complex (142243 142244 142252 142254 142257 142260 142262 142263)
Albian - Cenomanian113.2 - 93.9Antarctica Oligosphaeridium complex (153423)
Cenomanian100.5 - 93.9Antarctica Oligosphaeridium complex (153428)
Early/Lower Cenomanian100.5 - 93.9Ghana Oligosphaeridium complex (142227 142228 142229 142231 142233 142234 142236 142238 142239 142241)
Early/Lower Cenomanian100.5 - 93.9Egypt (Western Desert) Oligosphaeridium complex (144979 145096 145097 145098 145099 145100 145101 145102 145103 145104 145105 145106 145107 145108)
Late/Upper Cenomanian100.5 - 93.9Egypt (Western Desert) Oligosphaeridium complex (145109 145110 145111 145112 145113 145114 145115 145116 145117 145118 145119 145120 145121 145122 145123 145124 145125)
Middle Cenomanian - Late/Upper Cenomanian100.5 - 93.9Egypt (north Western Desert) Oligosphaeridium complex (140406 140409)
Early/Lower Turonian93.9 - 89.8Egypt (north Western Desert) Oligosphaeridium complex (140394 140395 140398 140399)
Coniacian - Santonian89.8 - 83.6Egypt (north Western Desert) Oligosphaeridium complex (140379)
Santonian - Campanian85.7 - 72.2Antarctica Oligosphaeridium complex (150509)
Late/Upper Campanian83.6 - 72.2Antarctica Oligosphaeridium complex (150182)
Campanian - Maastrichtian83.6 - 66.0Antarctica Oligosphaeridium complex (150962 150970)
Late/Upper Maastrichtian72.2 - 66.0Argentina (Santa Cruz) Oligosphaeridium complex (232642 232643)