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Kallosphaeridium
Discussion
Family: Gonyaulacaceae
Taxonomy
Kallosphaeridium was named by De Coninck (1969). It is not extant.
It was assigned to Gonyaulacaceae by de Coninck (1969).
It was assigned to Gonyaulacaceae by de Coninck (1969).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1969 | Kallosphaeridium De Coninck |
| 1969 | Kallosphaeridium de Coninck |
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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. †Kallosphaeridium De Coninck 1969
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†Kallosphaeridium coninckii Burger 1980
†Kallosphaeridium granulatum Norvick 1976
†Kallosphaeridium romaense Burger 1980
†Kallosphaeridium yorubaense Jan du Chene and Adediran 1985
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, superc = superclass | |||||
| References: Taylor 1987, Fritsch and West 1927 | |||||
Age range: base of the Late/Upper Bajocian to the top of the Danian or 168.60000 to 61.66000 Ma
Collections (36 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Bajocian | Russian Federation (Karachay-Cherkessia) | K. hypornatum (198645) | |
| Late/Upper Hauterivian | Argentina (Neuquén) | K. sp. (150584) | |
| Early/Lower Cenomanian | Egypt (Western Desert) | K. sp. (144979 145096 145097 145098 145099 145100 145101 145102 145103 145104 145105 145106 145107 145108) | |
| Late/Upper Cenomanian | Egypt (Western Desert) | K. sp. (145109 145110 145111 145112 145113 145114 145115 145116 145117 145118 145119 145120 145121 145122 145123 145124 145125) | |
| Campanian | Canada (Nunavut) | K. ringnesiorum (36383) | |
| Danian | Argentina (Neuquén) | K. parvum (235472 235479) |