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Calcidiscus protoannulus

Coccolithophyceae - Coccosphaerales - Calcidiscaceae

Taxonomy

No taxonomic data are available

Sister species
C. leptoporus, C. macintyrei
Sister species lacking formal opinion data
C. premacintyrei, C. tropicus, C. carlae, C. pacificanus, C. pataceus, C. pataecus, C. premacintyrei, C. quadriperforatus, C. tropicus
Entered
by on

Synonymy list
No taxonomic opinions are available

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RankNameAuthor
kingdomChromistaCavalier-Smith 1981
—Hacrobia
phylumHaptophytaHibberd ex Cavalier-Smith 1986
classCoccolithophyceae
RankNameAuthor
orderCoccosphaeralesHaeckel 1894
familyCalcidiscaceae
genusCalcidiscusKamptner 1950
speciesprotoannulus

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.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range: base of the Ypresian to the top of the Rupelian or 56.00000 to 27.30000 Ma

Collections (59 total)


Time interval Ma Country or state Original ID and collection number
Ypresian56.0 - 48.07North Atlantic Calcidiscus protoannulus (262405)
Eocene56.0 - 33.9North Atlantic Calcidiscus protoannulus (260560 260561 260562 260563 260564 260565 260566 260567)
Lutetian48.07 - 41.03North Atlantic Calcidiscus protoannulus (261731 261732 262397 262398 262402 262403 267046 267047)
Lutetian48.07 - 41.03North Pacific Calcidiscus protoannulus (244317 245718)
Lutetian - Bartonian48.07 - 37.71North Pacific Calcidiscus protoannulus (245900 246864)
Lutetian - Bartonian48.07 - 37.71North Atlantic Calcidiscus protoannulus (262393 262394)
Bartonian41.03 - 37.71North Pacific Calcidiscus protoannulus (246862)
Bartonian - Priabonian41.03 - 33.9North Atlantic Calcidiscus protoannulus (262392)
Priabonian37.71 - 33.9North Atlantic Calcidiscus protoannulus (262384 262385 262386 262387 262388 262389 262390 262391 268068 268069 268070 268071 268072 268077 268081 268082 268083 268085)
Priabonian37.71 - 33.9North Pacific Calcidiscus protoannulus (242972 242973 242974 242976 242977 242980 242981 243320)
Priabonian - Rupelian37.71 - 27.3North Pacific Calcidiscus protoannulus (243309)
Priabonian - Rupelian37.71 - 27.3North Atlantic Calcidiscus protoannulus (261718)
Rupelian33.9 - 27.3North Atlantic Calcidiscus protoannulus (268061)
Rupelian33.9 - 27.3North Pacific Calcidiscus protoannulus (242946 244274)
Rupelian - Chattian33.9 - 23.04North Pacific Calcidiscus protoannulus (242937 242945 243307)