PBDB Taxon

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

Helicosphaera reticulata

Taxonomy

Helicosphaera reticulata was named by Bramlette and Wilcoxon (1967).

It was recombined as Helicopontosphaera reticulata by Bukry et al. (1971).

Sister species lacking formal opinion data

H. ampliaperta, H. ampliaperta, H. ampliapertura, H. inversa, H. mediterranea, H. prolixa, H. scissura, H. seminutum, H. wallichii, H. waltrans, H. acuta, H. ampliaperta, H. clarissima, H. elongata, H. ethologa, H. inversa, H. kamptneri, H. lophota, H. mediterranea, H. neogranulata, H. omanica, H. pavimentum, H. perch-nielseniae, H. princei, H. scissura, H. vedderi, H. wallichii

Synonymy list

Year	Name and author
1967	Helicosphaera reticulata Bramlette and Wilcoxon
1971	Helicopontosphaera reticulata Bukry et al.
1975	Helicosphaera reticulata Jafar and Martini p. 391

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Rank	Name	Author
kingdom	Chromista	Cavalier-Smith 1981
—	Hacrobia
phylum	Haptophyta	Hibberd ex Cavalier-Smith 1986

Rank	Name	Author
genus	Helicosphaera	Kamptner 1954
species	reticulata	Bramlette and Wilcoxon 1967

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.

†Helicosphaera reticulata Bramlette and Wilcoxon 1967

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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 Bartonian to the top of the Rupelian or 41.03000 to 27.30000 Ma

Collections (50 total)

Time interval	Ma	Country or state	Original ID and collection number
Eocene	56.0 - 33.9	North Atlantic	Helicosphaera reticulata (260560 260561 260563 260564)
Lutetian - Bartonian	48.07 - 37.71	North Atlantic	Helicosphaera reticulata (262393)
Bartonian	41.03 - 37.71	USA (North Carolina)	Helicosphaera reticulata (7297)
Bartonian	41.03 - 37.71	North Atlantic	Helicosphaera reticulata (268087 268089)
Bartonian - Priabonian	41.03 - 33.9	North Atlantic	Helicosphaera reticulata (262392 268086)
Priabonian	37.71 - 33.9	North Atlantic	Helicosphaera reticulata (262381 262382 262383 262384 262385 262387 262388 262389 262390 262391 268068 268069 268070 268071 268072 268074 268075 268077 268078 268079 268081 268082 268083 268085)
Priabonian	37.71 - 33.9	North Pacific	Helicosphaera reticulata (242972 242973 242974 243829)
Priabonian	37.71 - 33.9	Tonga	Helicosphaera reticulata (43006)
Priabonian - Rupelian	37.71 - 27.3	North Atlantic	Helicosphaera reticulata (268067)
Priabonian - Rupelian	37.71 - 27.3	North Pacific	Helicosphaera reticulata (242957)
Rupelian	33.9 - 27.3	North Pacific	Helicosphaera reticulata (243822 244284 244285)
Rupelian	33.9 - 27.3	North Atlantic	Helicosphaera reticulata (262380 268061 268062 268063 268064 268065)