PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Pontosphaera

Coccolithophyceae

Taxonomy

Pontosphaera was named by Lohmann (1961).

It was assigned to Prymnesiophycidae by Perch-Nielsen (1985).

Species

Discolithus exilis, Discolithus solidus, P. exilis, P. multipora, P. obliquipons, P. pulchra

Species lacking formal opinion data

P. desueta, P. discopora, P. distincta, P. exilisi, P. japonica, P. kamptneri, P. pectinata, P. plana, P. plana, P. vescus

Synonyms

Discolithus was named by Huxley (1868).

It was synonymized subjectively with Pontosphaera by Perch-Nielsen (1985).
Discolithina was named by Loeblich and Tappan (1963).

It was synonymized subjectively with Pontosphaera by Perch-Nielsen (1985).

Synonymy list

Year	Name and author
1868	Discolithus Huxley
1961	Pontosphaera Lohmann
1963	Discolithina Loeblich and Tappan
1985	Pontosphaera Perch-Nielsen

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Rank	Name	Author
—	Life
—	Eukaryota	()
—	Chromalveolata
phylum	Haptophyta	Hibberd ex Cavalier-Smith 1986

Rank	Name	Author
class	Coccolithophyceae
subclass	Prymnesiophycidae	Cavalier-Smith 1986
genus	Pontosphaera	Lohmann 1961

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. †Pontosphaera Lohmann 1961

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†Pontosphaera exilis Bramlette and Sullivan 1961

†Pontosphaera multipora Roth 1970

†Pontosphaera obliquipons Romein 1979

†Pontosphaera pulchra Romein 1979

Invalid names: Discolithina Loeblich and Tappan 1963 [synonym], Discolithus Huxley 1868 [synonym]

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 Early/Lower Paleocene to the top of the Ionian or 66.00000 to 0.12900 Ma

Collections (26 total)

Time interval	Ma	Country or state	Original ID and collection number
Danian	66.0 - 61.66	South Atlantic	P. multipora (236645)
Danian	66.0 - 61.66	Argentina (Santa Cruz)	P. pulchra (237043 237045)
Early/Lower Paleocene	66.0 - 61.66	Argentina (Santa Cruz)	P. exilis (232045) P. pulchra (232043)
Danian - Selandian	66.0 - 59.24	Argentina (Santa Cruz)	P. pulchra (237044)
Danian - Oligocene	66.0 - 23.04	Argentina (Chubut)	P. multipora (236768)
Selandian	61.66 - 59.24	Tanzania (Lindi)	P. spp. (179310)
Selandian	61.66 - 59.24	Argentina (Santa Cruz)	P. multipora, P. pulchra (237046)
Early/Lower Eocene	56.0 - 48.07	Peru	Discolithina sp. (42706)
Lutetian	48.07 - 41.03	USA (Georgia)	P. sp. (4868)
Middle Eocene	48.07 - 37.71	USA (California)	P. distincta, P. pectinata, P. plana, P. multipora (206540) P. distincta, P. pectinata, P. plana, P. vescus, P. multipora (206538) P. pectinata, P. plana, P. multipora (206539)
Priabonian	37.71 - 33.9	United Kingdom (England)	Discolithina distincta, Discolithina pulcheroides (86616)
Rupelian	33.9 - 27.3	Germany (Baden-Württemberg)	P. desueta, P. sp., P. multipora (68021)
Burdigalian	20.45 - 15.98	Azerbaijan	P. multipora (116629)
Badenian	13.82 - 12.8	Slovakia	P. japonica, P. kamptneri (145935)
Sarmatian	12.8 - 11.63	Slovenia	P. multipora (55454)
Sarmatian	12.8 - 11.63	Slovakia	P. japonica (145974)
Tortonian	11.63 - 7.246	Indonesia	P. sp. (168772)
Tortonian	11.63 - 7.246	Greece	P. spp. (138313)
Zanclean	5.333 - 3.6	Italy (Siena)	P. multipora (45497)
Gelasian	2.58 - 1.8	North Atlantic	P. multipora (152368)
Ionian (interglacial)	0.774 - 0.129	Italy (Apulia)	P. sp. (157640)
Ionian - Late/Upper Pleistocene	0.774 - 0.0117	Italy (Apulia)	P. sp. (157642)