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Calcidiscus leptoporus

Coccolithophyceae - Coccosphaerales - Calcidiscaceae

Taxonomy
Coccosphaera leptopora was named by Murray and Blackman (1898). It is extant.

It was recombined as Calcidiscus leptoporus by Loeblich and Tappan (1978).

Sister species lacking formal opinion data
C. premacintyrei, C. tropicus, C. carlae, C. pacificanus, C. pataceus, C. pataecus, C. premacintyrei, C. protoannulus, C. quadriperforatus, C. tropicus
Entered
by M. Krause (authorized by W. Kiessling) on 2013-01-14

Synonymy list
YearName and author
1898Coccosphaera leptopora Murray and Blackman
1978Calcidiscus leptoporus Loeblich and Tappan

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RankNameAuthor
kingdomChromistaCavalier-Smith 1981
—Hacrobia
phylumHaptophytaHibberd ex Cavalier-Smith 1986
classCoccolithophyceae
RankNameAuthor
orderCoccosphaeralesHaeckel 1894
familyCalcidiscaceae
genusCalcidiscusKamptner 1950
speciesleptoporus(Murray and Blackman 1898)

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.

Calcidiscus leptoporus Murray and Blackman 1898
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitep
Environment: oceanic, oligotrophic, marine, brackishp
Locomotion: passively mobilep
Life habit: planktonicp
Depth habitat: surfacep
Diet: "photoautotroph"p
Created: 2006-10-31 06:24:05
Modified: 2006-10-31 08:24:05
Source: p = phylum
Reference: Kiessling 2003

Age range: base of the H. alabamensis HOZ to the top of the Holocene or 34.30000 to 0.00000 Ma

Collections (4285 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Paleogene66.0 - 23.04South Pacific Calcidiscus leptoporus (266441)
Cenozoic66.0 - 0.0Indian Ocean Calcidiscus leptoporus (252601 252602 252603 252604 252606 252607)
Cenozoic66.0 - 0.0South Pacific Calcidiscus leptoporus (263071 263072)
Eocene56.0 - 33.9North Pacific Calcidiscus leptoporus (256344)
H. alabamensis HOZ34.3 - 33.8South Pacific Calcidiscus leptoporus (250024)
Early/Lower Oligocene33.9 - 27.3North Pacific Calcidiscus leptoporus (248437 248438)
Oligocene - Miocene33.9 - 5.333Indian Ocean Calcidiscus leptoporus (250757)
Oligocene - Miocene33.9 - 5.333South Pacific Calcidiscus leptoporus (273080)
Chattian27.3 - 23.04North Pacific Calcidiscus leptoporus (242833 242834 242835)
Chattian27.3 - 23.04South Pacific Calcidiscus leptoporus (254460 258021 258022 258024 258026 258027)

Youngest occurrences
Time interval Ma Country or state PBDB collection number
NN210.29 - 0.0South Pacific Calcidiscus leptoporus (244048 244049 244051 244052 244053 244054 244055 244056 244057 244058 244059 244060 244061 244062 244063 244064 244065 244066 244067 244375 244399 244400 246538 246541 269204 269205)
NN210.29 - 0.0North Atlantic Calcidiscus leptoporus (265028 265029 265030 265031 265032)
NN210.29 - 0.0North Pacific Calcidiscus leptoporus (244821 247136 247137 247138 248357 248358 248359 248360 248361 248362 248363 248364 248365 248366 248367 250252 250253 250259 250260 250261 250262 250264 250265 252559 252560 256345 257619 257620 257621 258994 258995 259133 259135 259136 259137 259138 259139 259140 259141 259142 259143 259144 261676 261677 261678 261679 261680 261681 261682 261683)
Late/Upper Pleistocene0.129 - 0.0117Indian Ocean Calcidiscus leptoporus (249767 249768 249769 249770 249771 249772 249773 249774 249776 249777 249778 249779 255532 255533 255534 255535 255536)
Late/Upper Pleistocene0.129 - 0.0117North Atlantic Calcidiscus leptoporus (263721 263722 263724 263725 263726 263727 263731 263732 263735 264348 264349 264350 264353 264739 264970 265298)
Late/Upper Pleistocene0.129 - 0.0117South Pacific Calcidiscus leptoporus (271930 271931 271932 271933 271934 271935 271936 271937 271938 271939 271940 271941 271942)
Late/Upper Pleistocene0.129 - 0.0117North Pacific Calcidiscus leptoporus (252138 252139 252140 252141 252142)
Holocene0.0117 - 0.0Indian Ocean Calcidiscus leptoporus (250802 256727)
Holocene0.0117 - 0.0South Pacific Calcidiscus leptoporus (249128 260509)
Holocene0.0117 - 0.0North Atlantic Calcidiscus leptoporus (264990 265674)